562return LanguageVersion.CSharp10;

309case LanguageVersion.CSharp10: 349case LanguageVersion.CSharp10: 424case LanguageVersion.CSharp10: 537result = LanguageVersion.CSharp10;

56if (version < LanguageVersion.CSharp10)

44if (compilationContext.Compilation.LanguageVersion() < LanguageVersion.CSharp10)

128if (options.LanguageVersion() < LanguageVersion.CSharp10)

46requiredLanguageVersion = LanguageVersion.CSharp10;

25=> languageVersion >= LanguageVersion.CSharp10;

59=> options.LanguageVersion() >= LanguageVersion.CSharp10; 65=> options.LanguageVersion() >= LanguageVersion.CSharp10; 75=> options.LanguageVersion() >= LanguageVersion.CSharp10;

304if (!conversion.Exists && expression is LambdaExpressionSyntax && semanticModel.Compilation.LanguageVersion() >= LanguageVersion.CSharp10)

110info.LanguageVersion >= LanguageVersion.CSharp10)

537LanguageVersion = LanguageVersion.CSharp10,

78LanguageVersion = LanguageVersion.CSharp10, 98LanguageVersion = LanguageVersion.CSharp10, 123LanguageVersion = LanguageVersion.CSharp10, 148LanguageVersion = LanguageVersion.CSharp10, 175LanguageVersion = LanguageVersion.CSharp10, 200LanguageVersion = LanguageVersion.CSharp10, 227LanguageVersion = LanguageVersion.CSharp10, 252LanguageVersion = LanguageVersion.CSharp10, 284LanguageVersion = LanguageVersion.CSharp10, 315LanguageVersion = LanguageVersion.CSharp10, 338LanguageVersion = LanguageVersion.CSharp10, 360LanguageVersion = LanguageVersion.CSharp10, 383LanguageVersion = LanguageVersion.CSharp10, 405LanguageVersion = LanguageVersion.CSharp10, 431LanguageVersion = LanguageVersion.CSharp10, 459LanguageVersion = LanguageVersion.CSharp10, 485LanguageVersion = LanguageVersion.CSharp10, 512LanguageVersion = LanguageVersion.CSharp10, 540LanguageVersion = LanguageVersion.CSharp10,

46LanguageVersion = LanguageVersion.CSharp10, 65LanguageVersion = LanguageVersion.CSharp10, 84LanguageVersion = LanguageVersion.CSharp10, 104LanguageVersion = LanguageVersion.CSharp10, 123LanguageVersion = LanguageVersion.CSharp10, 141LanguageVersion = LanguageVersion.CSharp10, 159LanguageVersion = LanguageVersion.CSharp10, 189LanguageVersion = LanguageVersion.CSharp10, 211LanguageVersion = LanguageVersion.CSharp10, 237LanguageVersion = LanguageVersion.CSharp10, 265LanguageVersion = LanguageVersion.CSharp10, 292LanguageVersion = LanguageVersion.CSharp10, 318LanguageVersion = LanguageVersion.CSharp10, 346LanguageVersion = LanguageVersion.CSharp10, 374LanguageVersion = LanguageVersion.CSharp10, 413LanguageVersion = LanguageVersion.CSharp10, 445LanguageVersion = LanguageVersion.CSharp10, 477LanguageVersion = LanguageVersion.CSharp10, 523LanguageVersion = LanguageVersion.CSharp10, 569LanguageVersion = LanguageVersion.CSharp10, 617LanguageVersion = LanguageVersion.CSharp10, 793LanguageVersion = LanguageVersion.CSharp10, 812LanguageVersion = LanguageVersion.CSharp10, 838LanguageVersion = LanguageVersion.CSharp10, 857LanguageVersion = LanguageVersion.CSharp10, 883LanguageVersion = LanguageVersion.CSharp10, 902LanguageVersion = LanguageVersion.CSharp10, 930LanguageVersion = LanguageVersion.CSharp10, 960LanguageVersion = LanguageVersion.CSharp10, 987LanguageVersion = LanguageVersion.CSharp10, 1015LanguageVersion = LanguageVersion.CSharp10, 1466LanguageVersion = LanguageVersion.CSharp10, 1485LanguageVersion = LanguageVersion.CSharp10,

146LanguageVersion = LanguageVersion.CSharp10,

474LanguageVersion = LanguageVersion.CSharp10,

206LanguageVersion = LanguageVersion.CSharp10

63LanguageVersion = LanguageVersion.CSharp10, 84LanguageVersion = LanguageVersion.CSharp10,

11754LanguageVersion = LanguageVersion.CSharp10,

420LanguageVersion = LanguageVersion.CSharp10,

895LanguageVersion = LanguageVersion.CSharp10,

55LanguageVersion = LanguageVersion.CSharp10 85LanguageVersion = LanguageVersion.CSharp10 117LanguageVersion = LanguageVersion.CSharp10 155LanguageVersion = LanguageVersion.CSharp10 190LanguageVersion = LanguageVersion.CSharp10 217LanguageVersion = LanguageVersion.CSharp10 249LanguageVersion = LanguageVersion.CSharp10 289LanguageVersion = LanguageVersion.CSharp10 327LanguageVersion = LanguageVersion.CSharp10, 336LanguageVersion = LanguageVersion.CSharp10, 362LanguageVersion = LanguageVersion.CSharp10

58LanguageVersion = LanguageVersion.CSharp10, 896LanguageVersion = LanguageVersion.CSharp10,

96initialMarkup, expectedMarkup, new(options: options, parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10)));

5892LanguageVersion = LanguageVersion.CSharp10, 5910LanguageVersion = LanguageVersion.CSharp10, 11030LanguageVersion = LanguageVersion.CSharp10, 11500LanguageVersion = LanguageVersion.CSharp10, 11530LanguageVersion = LanguageVersion.CSharp10, 11551LanguageVersion = LanguageVersion.CSharp10, 11570LanguageVersion = LanguageVersion.CSharp10, 11588LanguageVersion = LanguageVersion.CSharp10, 11606LanguageVersion = LanguageVersion.CSharp10, 11626LanguageVersion = LanguageVersion.CSharp10, 11645LanguageVersion = LanguageVersion.CSharp10, 11658LanguageVersion = LanguageVersion.CSharp10, 11677LanguageVersion = LanguageVersion.CSharp10, 11698LanguageVersion = LanguageVersion.CSharp10, 11714LanguageVersion = LanguageVersion.CSharp10, 11730LanguageVersion = LanguageVersion.CSharp10, 11751LanguageVersion = LanguageVersion.CSharp10, 11771LanguageVersion = LanguageVersion.CSharp10, 11799LanguageVersion = LanguageVersion.CSharp10, 11846LanguageVersion = LanguageVersion.CSharp10, 11884LanguageVersion = LanguageVersion.CSharp10, 11908LanguageVersion = LanguageVersion.CSharp10, 11952LanguageVersion = LanguageVersion.CSharp10, 11994LanguageVersion = LanguageVersion.CSharp10, 12010LanguageVersion = LanguageVersion.CSharp10, 12039LanguageVersion = LanguageVersion.CSharp10, 12068LanguageVersion = LanguageVersion.CSharp10, 12097LanguageVersion = LanguageVersion.CSharp10, 12126LanguageVersion = LanguageVersion.CSharp10, 12155LanguageVersion = LanguageVersion.CSharp10, 12184LanguageVersion = LanguageVersion.CSharp10, 12200LanguageVersion = LanguageVersion.CSharp10, 12223LanguageVersion = LanguageVersion.CSharp10, 12255LanguageVersion = LanguageVersion.CSharp10, 12286LanguageVersion = LanguageVersion.CSharp10, 12304LanguageVersion = LanguageVersion.CSharp10, 12357LanguageVersion = LanguageVersion.CSharp10,

453LanguageVersion = LanguageVersion.CSharp10, 600LanguageVersion = LanguageVersion.CSharp10, 2013LanguageVersion = LanguageVersion.CSharp10,

63""", LanguageVersion.CSharp10);

741""", [LanguageVersion.CSharp7_1, LanguageVersion.CSharp10, LanguageVersion.CSharp11, LanguageVersion.Latest]); 792""", [LanguageVersion.CSharp7_1, LanguageVersion.CSharp10, LanguageVersion.CSharp11, LanguageVersion.Latest]);

26LanguageVersion = LanguageVersion.CSharp10 35LanguageVersion = LanguageVersion.CSharp10 44LanguageVersion = LanguageVersion.CSharp10 59LanguageVersion = LanguageVersion.CSharp10 74LanguageVersion = LanguageVersion.CSharp10 89LanguageVersion = LanguageVersion.CSharp10 102LanguageVersion = LanguageVersion.CSharp10 121LanguageVersion = LanguageVersion.CSharp10 144LanguageVersion = LanguageVersion.CSharp10 163LanguageVersion = LanguageVersion.CSharp10

983expected: LanguageVersion.CSharp10, 1056LanguageVersion.CSharp10, 1073expected: LanguageVersion.CSharp10, 1116new CSharpParseOptions(LanguageVersion.CSharp10)); 1128new CSharpParseOptions(LanguageVersion.CSharp10)); 1140new CSharpParseOptions(LanguageVersion.CSharp10));

3922new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10)));

301LanguageVersion = LanguageVersion.CSharp10, 376LanguageVersion = LanguageVersion.CSharp10, 667LanguageVersion = LanguageVersion.CSharp10, 735LanguageVersion = LanguageVersion.CSharp10, 791LanguageVersion = LanguageVersion.CSharp10,

61LanguageVersion = LanguageVersion.CSharp10

1789InlineData(LanguageVersion.CSharp10, LanguageVersion.CSharp10), 1835InlineData("10", true, LanguageVersion.CSharp10), 1836InlineData("10.0", true, LanguageVersion.CSharp10),

139if (!ConvertNamespaceAnalysis.CanOfferUseFileScoped(s_fileScopedNamespacePreferenceOption, (CompilationUnitSyntax)parsedDocument.Root, namespaceDecl, forAnalyzer: true, LanguageVersion.CSharp10))

5227parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10),

2917[InlineData(LanguageVersion.CSharp10)]

667LanguageVersion = CodeAnalysis.CSharp.LanguageVersion.CSharp10 3352LanguageVersion = CodeAnalysis.CSharp.LanguageVersion.CSharp10, 3370LanguageVersion = CodeAnalysis.CSharp.LanguageVersion.CSharp10, 3391LanguageVersion = CodeAnalysis.CSharp.LanguageVersion.CSharp10,

11920await VerifyItemExistsAsync(MakeMarkup(source, languageVersion: LanguageVersion.CSharp10), "parameter"); 11987await VerifyItemExistsAsync(MakeMarkup(source, languageVersion: LanguageVersion.CSharp10), "parameter"); 12004await VerifyItemExistsAsync(MakeMarkup(source, languageVersion: LanguageVersion.CSharp10), "parameter"); 12021await VerifyItemExistsAsync(MakeMarkup(source, languageVersion: LanguageVersion.CSharp10), "parameter"); 12038await VerifyItemExistsAsync(MakeMarkup(source, languageVersion: LanguageVersion.CSharp10), "parameter"); 12050await VerifyItemExistsAsync(MakeMarkup(source, languageVersion: LanguageVersion.CSharp10), "parameter"); 12061await VerifyItemExistsAsync(MakeMarkup(source, languageVersion: LanguageVersion.CSharp10), "parameter");

392parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10), 473parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10), 735parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10),

57parseOptions: new CSharpParseOptions(LanguageVersion.CSharp10)); 79parseOptions: new CSharpParseOptions(LanguageVersion.CSharp10));

82[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersion, 164[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionA, 165[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB,

24641var comp = CreateCompilation(new[] { sourceA, CollectionBuilderAttributeDefinition }, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp10), targetFramework: TargetFramework.Net60);

35201[InlineData(LanguageVersion.CSharp10)] 35232if (languageVersion == LanguageVersion.CSharp10)

384if (names.Length > 1 && names[0].SyntaxTree.Options.LanguageVersion() >= LanguageVersion.CSharp10)

56if (version < LanguageVersion.CSharp10)

44if (compilationContext.Compilation.LanguageVersion() < LanguageVersion.CSharp10)

128if (options.LanguageVersion() < LanguageVersion.CSharp10)

46requiredLanguageVersion = LanguageVersion.CSharp10;

53LanguageVersion = LanguageVersion.CSharp10, 72LanguageVersion = LanguageVersion.CSharp10, 91LanguageVersion = LanguageVersion.CSharp10, 108LanguageVersion = LanguageVersion.CSharp10, 124LanguageVersion = LanguageVersion.CSharp10, 144LanguageVersion = LanguageVersion.CSharp10, 163LanguageVersion = LanguageVersion.CSharp10, 182LanguageVersion = LanguageVersion.CSharp10, 200LanguageVersion = LanguageVersion.CSharp10, 218LanguageVersion = LanguageVersion.CSharp10, 241LanguageVersion = LanguageVersion.CSharp10, 263LanguageVersion = LanguageVersion.CSharp10, 289LanguageVersion = LanguageVersion.CSharp10, 317LanguageVersion = LanguageVersion.CSharp10, 344LanguageVersion = LanguageVersion.CSharp10, 370LanguageVersion = LanguageVersion.CSharp10, 398LanguageVersion = LanguageVersion.CSharp10, 424LanguageVersion = LanguageVersion.CSharp10, 454LanguageVersion = LanguageVersion.CSharp10, 488LanguageVersion = LanguageVersion.CSharp10, 522LanguageVersion = LanguageVersion.CSharp10, 560LanguageVersion = LanguageVersion.CSharp10, 579LanguageVersion = LanguageVersion.CSharp10, 598LanguageVersion = LanguageVersion.CSharp10, 613LanguageVersion = LanguageVersion.CSharp10, 628LanguageVersion = LanguageVersion.CSharp10, 642LanguageVersion = LanguageVersion.CSharp10, 668LanguageVersion = LanguageVersion.CSharp10, 690LanguageVersion = LanguageVersion.CSharp10, 715LanguageVersion = LanguageVersion.CSharp10, 738LanguageVersion = LanguageVersion.CSharp10, 760LanguageVersion = LanguageVersion.CSharp10, 783LanguageVersion = LanguageVersion.CSharp10, 805LanguageVersion = LanguageVersion.CSharp10, 831LanguageVersion = LanguageVersion.CSharp10, 859LanguageVersion = LanguageVersion.CSharp10, 885LanguageVersion = LanguageVersion.CSharp10, 912LanguageVersion = LanguageVersion.CSharp10, 940LanguageVersion = LanguageVersion.CSharp10,

32LanguageVersion = LanguageVersion.CSharp10, 48LanguageVersion = LanguageVersion.CSharp10, 73LanguageVersion = LanguageVersion.CSharp10, 84LanguageVersion = LanguageVersion.CSharp10, 103LanguageVersion = LanguageVersion.CSharp10, 118LanguageVersion = LanguageVersion.CSharp10, 133LanguageVersion = LanguageVersion.CSharp10, 157LanguageVersion = LanguageVersion.CSharp10,

178LanguageVersion = LanguageVersion.CSharp10, 209LanguageVersion = LanguageVersion.CSharp10, 1365LanguageVersion = LanguageVersion.CSharp10, 1451LanguageVersion = LanguageVersion.CSharp10, 1514LanguageVersion = LanguageVersion.CSharp10,

30LanguageVersion = LanguageVersion.CSharp10, 52LanguageVersion = LanguageVersion.CSharp10, 73LanguageVersion = LanguageVersion.CSharp10, 94LanguageVersion = LanguageVersion.CSharp10, 114LanguageVersion = LanguageVersion.CSharp10, 161LanguageVersion = LanguageVersion.CSharp10, 182LanguageVersion = LanguageVersion.CSharp10, 207LanguageVersion = LanguageVersion.CSharp10, 244LanguageVersion = LanguageVersion.CSharp10, 288LanguageVersion = LanguageVersion.CSharp10, 328LanguageVersion = LanguageVersion.CSharp10, 378LanguageVersion = LanguageVersion.CSharp10,

174""", new(parseOptions: new CSharpParseOptions(LanguageVersion.CSharp10))); 219""", new(parseOptions: new CSharpParseOptions(LanguageVersion.CSharp10)));

4152LanguageVersion = LanguageVersion.CSharp10; 4196LanguageVersion = LanguageVersion.CSharp10;

486LanguageVersion = LanguageVersion.CSharp10, 601LanguageVersion = LanguageVersion.CSharp10, 711LanguageVersion = LanguageVersion.CSharp10, 1213LanguageVersion = LanguageVersion.CSharp10, 1285LanguageVersion = LanguageVersion.CSharp10, 1341LanguageVersion = LanguageVersion.CSharp10, 1411LanguageVersion = LanguageVersion.CSharp10, 2707LanguageVersion = LanguageVersion.CSharp10,

256[InlineData(LanguageVersion.CSharp10)]

299LanguageVersion = CodeAnalysis.CSharp.LanguageVersion.CSharp10, 473LanguageVersion = CodeAnalysis.CSharp.LanguageVersion.CSharp10, 500LanguageVersion = CodeAnalysis.CSharp.LanguageVersion.CSharp10, 527LanguageVersion = CodeAnalysis.CSharp.LanguageVersion.CSharp10,

79LanguageVersion = LanguageVersion.CSharp10, 101LanguageVersion = LanguageVersion.CSharp10, 123LanguageVersion = LanguageVersion.CSharp10, 145LanguageVersion = LanguageVersion.CSharp10, 167LanguageVersion = LanguageVersion.CSharp10, 189LanguageVersion = LanguageVersion.CSharp10, 211LanguageVersion = LanguageVersion.CSharp10, 248LanguageVersion = LanguageVersion.CSharp10, 283LanguageVersion = LanguageVersion.CSharp10, 318LanguageVersion = LanguageVersion.CSharp10, 353LanguageVersion = LanguageVersion.CSharp10, 388LanguageVersion = LanguageVersion.CSharp10, 423LanguageVersion = LanguageVersion.CSharp10, 458LanguageVersion = LanguageVersion.CSharp10, 493LanguageVersion = LanguageVersion.CSharp10, 541LanguageVersion = LanguageVersion.CSharp10, 588LanguageVersion = LanguageVersion.CSharp10, 625LanguageVersion = LanguageVersion.CSharp10, 675LanguageVersion = LanguageVersion.CSharp10, 695LanguageVersion = LanguageVersion.CSharp10, 714LanguageVersion = LanguageVersion.CSharp10,

6700""", new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10), options: featureOptions)); 6745[InlineData(LanguageVersion.CSharp10)] 6769""", new TestParameters(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10), options: featureOptions));

537LanguageVersion = LanguageVersion.CSharp10,

78LanguageVersion = LanguageVersion.CSharp10, 98LanguageVersion = LanguageVersion.CSharp10, 123LanguageVersion = LanguageVersion.CSharp10, 148LanguageVersion = LanguageVersion.CSharp10, 175LanguageVersion = LanguageVersion.CSharp10, 200LanguageVersion = LanguageVersion.CSharp10, 227LanguageVersion = LanguageVersion.CSharp10, 252LanguageVersion = LanguageVersion.CSharp10, 284LanguageVersion = LanguageVersion.CSharp10, 315LanguageVersion = LanguageVersion.CSharp10, 338LanguageVersion = LanguageVersion.CSharp10, 360LanguageVersion = LanguageVersion.CSharp10, 383LanguageVersion = LanguageVersion.CSharp10, 405LanguageVersion = LanguageVersion.CSharp10, 431LanguageVersion = LanguageVersion.CSharp10, 459LanguageVersion = LanguageVersion.CSharp10, 485LanguageVersion = LanguageVersion.CSharp10, 512LanguageVersion = LanguageVersion.CSharp10, 540LanguageVersion = LanguageVersion.CSharp10,

46LanguageVersion = LanguageVersion.CSharp10, 65LanguageVersion = LanguageVersion.CSharp10, 84LanguageVersion = LanguageVersion.CSharp10, 104LanguageVersion = LanguageVersion.CSharp10, 123LanguageVersion = LanguageVersion.CSharp10, 141LanguageVersion = LanguageVersion.CSharp10, 159LanguageVersion = LanguageVersion.CSharp10, 189LanguageVersion = LanguageVersion.CSharp10, 211LanguageVersion = LanguageVersion.CSharp10, 237LanguageVersion = LanguageVersion.CSharp10, 265LanguageVersion = LanguageVersion.CSharp10, 292LanguageVersion = LanguageVersion.CSharp10, 318LanguageVersion = LanguageVersion.CSharp10, 346LanguageVersion = LanguageVersion.CSharp10, 374LanguageVersion = LanguageVersion.CSharp10, 413LanguageVersion = LanguageVersion.CSharp10, 445LanguageVersion = LanguageVersion.CSharp10, 477LanguageVersion = LanguageVersion.CSharp10, 523LanguageVersion = LanguageVersion.CSharp10, 569LanguageVersion = LanguageVersion.CSharp10, 617LanguageVersion = LanguageVersion.CSharp10, 793LanguageVersion = LanguageVersion.CSharp10, 812LanguageVersion = LanguageVersion.CSharp10, 838LanguageVersion = LanguageVersion.CSharp10, 857LanguageVersion = LanguageVersion.CSharp10, 883LanguageVersion = LanguageVersion.CSharp10, 902LanguageVersion = LanguageVersion.CSharp10, 930LanguageVersion = LanguageVersion.CSharp10, 960LanguageVersion = LanguageVersion.CSharp10, 987LanguageVersion = LanguageVersion.CSharp10, 1015LanguageVersion = LanguageVersion.CSharp10, 1466LanguageVersion = LanguageVersion.CSharp10, 1485LanguageVersion = LanguageVersion.CSharp10,

146LanguageVersion = LanguageVersion.CSharp10,

474LanguageVersion = LanguageVersion.CSharp10,

206LanguageVersion = LanguageVersion.CSharp10

50LanguageVersion = LanguageVersion.CSharp10, 63LanguageVersion = LanguageVersion.CSharp10, 73LanguageVersion = LanguageVersion.CSharp10, 84LanguageVersion = LanguageVersion.CSharp10,

11754LanguageVersion = LanguageVersion.CSharp10,

420LanguageVersion = LanguageVersion.CSharp10,

895LanguageVersion = LanguageVersion.CSharp10,

55LanguageVersion = LanguageVersion.CSharp10 85LanguageVersion = LanguageVersion.CSharp10 117LanguageVersion = LanguageVersion.CSharp10 155LanguageVersion = LanguageVersion.CSharp10 190LanguageVersion = LanguageVersion.CSharp10 217LanguageVersion = LanguageVersion.CSharp10 249LanguageVersion = LanguageVersion.CSharp10 289LanguageVersion = LanguageVersion.CSharp10 327LanguageVersion = LanguageVersion.CSharp10, 336LanguageVersion = LanguageVersion.CSharp10, 362LanguageVersion = LanguageVersion.CSharp10

58LanguageVersion = LanguageVersion.CSharp10, 896LanguageVersion = LanguageVersion.CSharp10,

96initialMarkup, expectedMarkup, new(options: options, parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10)));

5892LanguageVersion = LanguageVersion.CSharp10, 5910LanguageVersion = LanguageVersion.CSharp10, 11030LanguageVersion = LanguageVersion.CSharp10, 11500LanguageVersion = LanguageVersion.CSharp10, 11530LanguageVersion = LanguageVersion.CSharp10, 11551LanguageVersion = LanguageVersion.CSharp10, 11570LanguageVersion = LanguageVersion.CSharp10, 11588LanguageVersion = LanguageVersion.CSharp10, 11606LanguageVersion = LanguageVersion.CSharp10, 11626LanguageVersion = LanguageVersion.CSharp10, 11645LanguageVersion = LanguageVersion.CSharp10, 11658LanguageVersion = LanguageVersion.CSharp10, 11677LanguageVersion = LanguageVersion.CSharp10, 11698LanguageVersion = LanguageVersion.CSharp10, 11714LanguageVersion = LanguageVersion.CSharp10, 11730LanguageVersion = LanguageVersion.CSharp10, 11751LanguageVersion = LanguageVersion.CSharp10, 11771LanguageVersion = LanguageVersion.CSharp10, 11799LanguageVersion = LanguageVersion.CSharp10, 11846LanguageVersion = LanguageVersion.CSharp10, 11884LanguageVersion = LanguageVersion.CSharp10, 11908LanguageVersion = LanguageVersion.CSharp10, 11952LanguageVersion = LanguageVersion.CSharp10, 11994LanguageVersion = LanguageVersion.CSharp10, 12010LanguageVersion = LanguageVersion.CSharp10, 12039LanguageVersion = LanguageVersion.CSharp10, 12068LanguageVersion = LanguageVersion.CSharp10, 12097LanguageVersion = LanguageVersion.CSharp10, 12126LanguageVersion = LanguageVersion.CSharp10, 12155LanguageVersion = LanguageVersion.CSharp10, 12184LanguageVersion = LanguageVersion.CSharp10, 12200LanguageVersion = LanguageVersion.CSharp10, 12223LanguageVersion = LanguageVersion.CSharp10, 12255LanguageVersion = LanguageVersion.CSharp10, 12286LanguageVersion = LanguageVersion.CSharp10, 12304LanguageVersion = LanguageVersion.CSharp10, 12357LanguageVersion = LanguageVersion.CSharp10,

453LanguageVersion = LanguageVersion.CSharp10, 600LanguageVersion = LanguageVersion.CSharp10, 2013LanguageVersion = LanguageVersion.CSharp10,

63""", LanguageVersion.CSharp10);

741""", [LanguageVersion.CSharp7_1, LanguageVersion.CSharp10, LanguageVersion.CSharp11, LanguageVersion.Latest]); 792""", [LanguageVersion.CSharp7_1, LanguageVersion.CSharp10, LanguageVersion.CSharp11, LanguageVersion.Latest]);

26LanguageVersion = LanguageVersion.CSharp10 35LanguageVersion = LanguageVersion.CSharp10 44LanguageVersion = LanguageVersion.CSharp10 59LanguageVersion = LanguageVersion.CSharp10 74LanguageVersion = LanguageVersion.CSharp10 89LanguageVersion = LanguageVersion.CSharp10 102LanguageVersion = LanguageVersion.CSharp10 121LanguageVersion = LanguageVersion.CSharp10 144LanguageVersion = LanguageVersion.CSharp10 163LanguageVersion = LanguageVersion.CSharp10

983expected: LanguageVersion.CSharp10, 1056LanguageVersion.CSharp10, 1073expected: LanguageVersion.CSharp10, 1116new CSharpParseOptions(LanguageVersion.CSharp10)); 1128new CSharpParseOptions(LanguageVersion.CSharp10)); 1140new CSharpParseOptions(LanguageVersion.CSharp10));

3922new(parseOptions: CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10)));

301LanguageVersion = LanguageVersion.CSharp10, 376LanguageVersion = LanguageVersion.CSharp10, 667LanguageVersion = LanguageVersion.CSharp10, 735LanguageVersion = LanguageVersion.CSharp10, 791LanguageVersion = LanguageVersion.CSharp10,

61LanguageVersion = LanguageVersion.CSharp10

164LanguageVersion = LanguageVersion.CSharp10,

80[InlineData("a.b.c.d && b", "this is { a.b.c.d: n, b: n }", LanguageVersion.CSharp10)] 81[InlineData("a?.b.c.d && b", "this is { a.b.c.d: n, b: n }", LanguageVersion.CSharp10)] 82[InlineData("a.b?.c.d && b", "this is { a.b.c.d: n, b: n }", LanguageVersion.CSharp10)] 83[InlineData("a.b.c?.d && b", "this is { a.b.c.d: n, b: n }", LanguageVersion.CSharp10)] 84[InlineData("a.b?.c?.d && b", "this is { a.b.c.d: n, b: n }", LanguageVersion.CSharp10)] 85[InlineData("a?.b.c?.d && b", "this is { a.b.c.d: n, b: n }", LanguageVersion.CSharp10)] 86[InlineData("a?.b?.c.d && b", "this is { a.b.c.d: n, b: n }", LanguageVersion.CSharp10)] 87[InlineData("a?.b?.c?.d && b", "this is { a.b.c.d: n, b: n }", LanguageVersion.CSharp10)]

1155languageVersion: LanguageVersion.CSharp10, 1366languageVersion: LanguageVersion.CSharp10, 15235[InlineData(LanguageVersion.CSharp10)] 15378[InlineData(LanguageVersion.CSharp10)] 15455[InlineData(LanguageVersion.CSharp10)]

1221[InlineData(LanguageVersion.CSharp10)] 1258[InlineData(LanguageVersion.CSharp10)]

8024[InlineData(LanguageVersion.CSharp10)]

124[InlineData(LanguageVersion.CSharp10)] 170[InlineData(LanguageVersion.CSharp10)] 201[InlineData(LanguageVersion.CSharp10)] 250[InlineData(LanguageVersion.CSharp10)] 531[InlineData(LanguageVersion.CSharp10)] 577[InlineData(LanguageVersion.CSharp10)] 623[InlineData(LanguageVersion.CSharp10)] 684[InlineData(LanguageVersion.CSharp10)] 715[InlineData(LanguageVersion.CSharp10)] 815[InlineData(LanguageVersion.CSharp10)] 836if (languageVersion == LanguageVersion.CSharp10) 972[InlineData(LanguageVersion.CSharp10)] 1006if (languageVersion == LanguageVersion.CSharp10) 1088[InlineData(LanguageVersion.CSharp10)] 1143[InlineData(LanguageVersion.CSharp10)] 1195[InlineData(LanguageVersion.CSharp10)] 1247[InlineData(LanguageVersion.CSharp10)] 1316[InlineData(LanguageVersion.CSharp10)] 1429[InlineData(LanguageVersion.CSharp10)] 1458[InlineData(LanguageVersion.CSharp10)] 1499[InlineData(LanguageVersion.CSharp10)] 1530[InlineData(LanguageVersion.CSharp10)] 1593[InlineData(LanguageVersion.CSharp10)] 1822[InlineData(LanguageVersion.CSharp10)] 1875[InlineData(LanguageVersion.CSharp10)] 1950[InlineData(LanguageVersion.CSharp10)] 2003[InlineData(LanguageVersion.CSharp10)] 2044[InlineData(LanguageVersion.CSharp10)] 2340[InlineData(LanguageVersion.CSharp10)] 2671[InlineData(LanguageVersion.CSharp10)] 2923[InlineData(LanguageVersion.CSharp10)] 3173[InlineData(LanguageVersion.CSharp10)] 3456[InlineData(LanguageVersion.CSharp10)] 3521[InlineData(LanguageVersion.CSharp10)] 3590[InlineData(LanguageVersion.CSharp10)] 3664[InlineData(LanguageVersion.CSharp10)] 3747[InlineData(LanguageVersion.CSharp10)] 4130[InlineData(LanguageVersion.CSharp10)] 4260[InlineData(LanguageVersion.CSharp10)] 4355[InlineData(LanguageVersion.CSharp10)] 5100[InlineData(LanguageVersion.CSharp10)] 5146[InlineData(LanguageVersion.CSharp10)] 5239[InlineData(LanguageVersion.CSharp10)] 5332[InlineData(LanguageVersion.CSharp10)] 5386[InlineData(LanguageVersion.CSharp10)] 5441[InlineData(LanguageVersion.CSharp10)] 5492[InlineData(LanguageVersion.CSharp10)] 5539if (languageVersion == LanguageVersion.CSharp10) 5569[InlineData(LanguageVersion.CSharp10)] 5615[InlineData(LanguageVersion.CSharp10)] 5639[InlineData(LanguageVersion.CSharp10)] 5663[InlineData(LanguageVersion.CSharp10)] 5713[InlineData(LanguageVersion.CSharp10)] 5763[InlineData(LanguageVersion.CSharp10)] 5813[InlineData(LanguageVersion.CSharp10)] 5842[InlineData(LanguageVersion.CSharp10)] 5897[InlineData(LanguageVersion.CSharp10)] 5945[InlineData(LanguageVersion.CSharp10)] 5984[InlineData(LanguageVersion.CSharp10)] 6038[InlineData(LanguageVersion.CSharp10)] 6070[InlineData(LanguageVersion.CSharp10)] 6098[InlineData(LanguageVersion.CSharp10)] 6126[InlineData(LanguageVersion.CSharp10)] 6149if (languageVersion == LanguageVersion.CSharp10) 6178[InlineData(LanguageVersion.CSharp10)] 6213[InlineData(LanguageVersion.CSharp10)] 6248[InlineData(LanguageVersion.CSharp10)] 6292[InlineData(LanguageVersion.CSharp10)] 6391[InlineData(LanguageVersion.CSharp10)] 6491[InlineData(LanguageVersion.CSharp10)] 6563[InlineData(LanguageVersion.CSharp10)] 6596[InlineData(LanguageVersion.CSharp10)] 7087[InlineData(LanguageVersion.CSharp10)] 7123[InlineData(LanguageVersion.CSharp10)] 7166[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersion, 7202[InlineData(LanguageVersion.CSharp10)] 7234[InlineData(LanguageVersion.CSharp10)] 7262[InlineData(LanguageVersion.CSharp10)] 7305[InlineData(LanguageVersion.CSharp10)] 7334[InlineData(LanguageVersion.CSharp10)] 7359[InlineData(LanguageVersion.CSharp10)] 7459[InlineData(LanguageVersion.CSharp10)] 7485if (languageVersion == LanguageVersion.CSharp10) 7566[InlineData(LanguageVersion.CSharp10)] 7593[InlineData(LanguageVersion.CSharp10)] 7620[InlineData(LanguageVersion.CSharp10)] 7649[InlineData(LanguageVersion.CSharp10)] 7673[InlineData(LanguageVersion.CSharp10)] 7703[InlineData(LanguageVersion.CSharp10)] 7730[InlineData(LanguageVersion.CSharp10)] 7757[InlineData(LanguageVersion.CSharp10)] 7786[InlineData(LanguageVersion.CSharp10)] 7813[InlineData(LanguageVersion.CSharp10)] 7830[InlineData(LanguageVersion.CSharp10)] 7848[InlineData(LanguageVersion.CSharp10)] 7908[InlineData(LanguageVersion.CSharp10)] 10987[InlineData(LanguageVersion.CSharp10)]

2337[InlineData(LanguageVersion.CSharp10)] 2352if (languageVersion == LanguageVersion.CSharp10) 4978[InlineData(LanguageVersion.CSharp10)] 5004[InlineData(LanguageVersion.CSharp10)] 5107[InlineData(LanguageVersion.CSharp10)] 9171[InlineData(LanguageVersion.CSharp10)] 9211[InlineData(LanguageVersion.CSharp10)] 9234[InlineData(LanguageVersion.CSharp10)] 9257[InlineData(LanguageVersion.CSharp10)] 9301[InlineData(LanguageVersion.CSharp10)] 9344[InlineData(LanguageVersion.CSharp10)] 9390[InlineData(LanguageVersion.CSharp10)] 9412[InlineData(LanguageVersion.CSharp10)] 9462[InlineData(LanguageVersion.CSharp10)] 9489[InlineData(LanguageVersion.CSharp10)] 9532if (languageVersion == LanguageVersion.CSharp10) 9549[InlineData(LanguageVersion.CSharp10)] 9594[InlineData(LanguageVersion.CSharp10)] 9639[InlineData(LanguageVersion.CSharp10)] 9703[InlineData(LanguageVersion.CSharp10)] 9785[InlineData(LanguageVersion.CSharp10)] 9809if (languageVersion == LanguageVersion.CSharp10) 9835[InlineData(LanguageVersion.CSharp10)] 10177[InlineData(LanguageVersion.CSharp10)] 10205[InlineData(LanguageVersion.CSharp10)] 10359[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersion, 10403[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersion, 10453[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersion, 10481if (languageVersion == LanguageVersion.CSharp10) 10503[InlineData(LanguageVersion.CSharp10)] 10533if (languageVersion == LanguageVersion.CSharp10) 10672[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionA, 10673[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 10702[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionA, 10703[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 10735[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionA, 10736[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 10764if (languageVersionA == LanguageVersion.CSharp10) 10792[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionA, 10793[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 10823if (languageVersionA == LanguageVersion.CSharp10) 10850[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionA, 10851[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 10875if (languageVersionA == LanguageVersion.CSharp10) 10893[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionA, 10894[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 11579[InlineData(LanguageVersion.CSharp10)] 11694[InlineData(LanguageVersion.CSharp10)] 11728[InlineData(LanguageVersion.CSharp10)] 11769[InlineData(LanguageVersion.CSharp10)] 11806var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp10)); 11959[InlineData(LanguageVersion.CSharp10)] 13388[InlineData(LanguageVersion.CSharp10)] 13411[InlineData(LanguageVersion.CSharp10)] 13436[InlineData(LanguageVersion.CSharp10)] 13456[InlineData(LanguageVersion.CSharp10)] 14700[InlineData(LanguageVersion.CSharp10)] 14972[InlineData(LanguageVersion.CSharp10)] 15131[InlineData(LanguageVersion.CSharp10)] 16947[InlineData(LanguageVersion.CSharp10)] 20055[InlineData(LanguageVersion.CSharp10)] 20115[InlineData(LanguageVersion.CSharp10)] 20135if (languageVersion == LanguageVersion.CSharp10) 20284[InlineData(LanguageVersion.CSharp10)] 20306[InlineData(LanguageVersion.CSharp10)] 25237[InlineData(LanguageVersion.CSharp10)] 25274[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionA, 25275[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 25315[InlineData(LanguageVersion.CSharp10)] 25366[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionA, 25367[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 25402[InlineData(LanguageVersion.CSharp10)] 25473[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionA, 25474[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 25505languageVersionB == LanguageVersion.CSharp10) 25524[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionA, 25525[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 25564languageVersionB == LanguageVersion.CSharp10) 25617[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 25653[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionA, 25654[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 25691languageVersionB == LanguageVersion.CSharp10) 25787[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 25824if (languageVersionB == LanguageVersion.CSharp10) 25855[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionA, 25903if (languageVersionA == LanguageVersion.CSharp10) 25970[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 26024[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 27124[InlineData(LanguageVersion.CSharp10, TargetFramework.Net60, false, false)] 27127[InlineData(LanguageVersion.CSharp10, TargetFramework.Net70, true, true)] 27174[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersion, 27231[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersion, 30351[InlineData(LanguageVersion.CSharp10)] 30645[InlineData(LanguageVersion.CSharp10)] 30903[InlineData(LanguageVersion.CSharp10)]

563[InlineData(LanguageVersion.CSharp10)] 4930[InlineData(LanguageVersion.CSharp10)] 4970[InlineData(LanguageVersion.CSharp10)]

2172[InlineData(LanguageVersion.CSharp10)] 2207[InlineData(LanguageVersion.CSharp10)] 2332[InlineData(LanguageVersion.CSharp10)] 2371if (languageVersion == LanguageVersion.CSharp10)

854[InlineData(LanguageVersion.CSharp10)] 914[InlineData(LanguageVersion.CSharp10)] 983[InlineData(LanguageVersion.CSharp10)] 1072[InlineData(LanguageVersion.CSharp10)] 1167[InlineData(LanguageVersion.CSharp10)] 1602[InlineData(LanguageVersion.CSharp10)] 1786[InlineData(LanguageVersion.CSharp10)] 1880[InlineData(LanguageVersion.CSharp10)] 1909[InlineData(LanguageVersion.CSharp10)] 3756[InlineData(LanguageVersion.CSharp10)] 4160[InlineData(LanguageVersion.CSharp10)] 4725[InlineData(LanguageVersion.CSharp10)] 4756[InlineData(LanguageVersion.CSharp10)]

1345var options = CSharpParseOptions.Default.WithLanguageVersion(LanguageVersion.CSharp10);

2068class C { }", options: TestOptions.Script.WithLanguageVersion(LanguageVersion.CSharp10)); 2076class C { }", options: TestOptions.Script.WithLanguageVersion(LanguageVersion.CSharp10)); 2080class C { }", options: TestOptions.Script.WithLanguageVersion(LanguageVersion.CSharp10));

191var parseOptions = ((CSharpParseOptions)tree.Options).WithLanguageVersion(treeLanguageVersion > LanguageVersion.CSharp10 ? treeLanguageVersion : LanguageVersion.CSharp10);

6957var comp = CreateCompilation(source, parseOptions: TestOptions.RegularWithDocumentationComments.WithLanguageVersion(LanguageVersion.CSharp10), targetFramework: TargetFramework.NetCoreApp); 7002var comp = CreateCompilation(source, parseOptions: TestOptions.RegularWithDocumentationComments.WithLanguageVersion(LanguageVersion.CSharp10), targetFramework: TargetFramework.NetCoreApp);

19[InlineData(LanguageVersion.CSharp10)] 66[InlineData(LanguageVersion.CSharp10)] 137[InlineData(LanguageVersion.CSharp10)] 305[InlineData(LanguageVersion.CSharp10)] 424[InlineData(LanguageVersion.CSharp10)] 593[InlineData(LanguageVersion.CSharp10)] 678[InlineData(LanguageVersion.CSharp10)] 741[InlineData(LanguageVersion.CSharp10)] 795[InlineData(LanguageVersion.CSharp10)] 835[InlineData(LanguageVersion.CSharp10)] 890[InlineData(LanguageVersion.CSharp10)] 932[InlineData(LanguageVersion.CSharp10)] 998[InlineData(LanguageVersion.CSharp10)] 1032[InlineData(LanguageVersion.CSharp10)] 1062[InlineData(LanguageVersion.CSharp10)] 1092[InlineData(LanguageVersion.CSharp10)] 1205[InlineData(LanguageVersion.CSharp10)] 1273[InlineData(LanguageVersion.CSharp10)] 1406[InlineData(LanguageVersion.CSharp10)] 1543[InlineData(LanguageVersion.CSharp10)] 1611[InlineData(LanguageVersion.CSharp10)] 1728[InlineData(LanguageVersion.CSharp10)] 1860[InlineData(LanguageVersion.CSharp10)] 1926[InlineData(LanguageVersion.CSharp10)] 1976[InlineData(LanguageVersion.CSharp10)] 2020[InlineData(LanguageVersion.CSharp10)] 2095[InlineData(LanguageVersion.CSharp10)] 2153[InlineData(LanguageVersion.CSharp10)] 2177[InlineData(LanguageVersion.CSharp10)] 2201[InlineData(LanguageVersion.CSharp10)] 2307[InlineData(LanguageVersion.CSharp10)] 2413[InlineData(LanguageVersion.CSharp10)] 2507[InlineData(LanguageVersion.CSharp10)] 2554[InlineData(LanguageVersion.CSharp10)] 2624[InlineData(LanguageVersion.CSharp10)] 2690[InlineData(LanguageVersion.CSharp10)] 2733[InlineData(LanguageVersion.CSharp10)] 2777[InlineData(LanguageVersion.CSharp10)] 2852[InlineData(LanguageVersion.CSharp10)] 3023[InlineData(LanguageVersion.CSharp10)] 3170[InlineData(LanguageVersion.CSharp10)] 3262[InlineData(LanguageVersion.CSharp10)] 3288else if (langVersion == LanguageVersion.CSharp10) 3492[InlineData(LanguageVersion.CSharp10)] 3559[InlineData(LanguageVersion.CSharp10)] 3630[InlineData(LanguageVersion.CSharp10)] 3706[InlineData(LanguageVersion.CSharp10)] 3782[InlineData(LanguageVersion.CSharp10)] 3854[InlineData(LanguageVersion.CSharp10)] 3941[InlineData(LanguageVersion.CSharp10)] 4021[InlineData(LanguageVersion.CSharp10)] 4092[InlineData(LanguageVersion.CSharp10)] 4161[InlineData(LanguageVersion.CSharp10)] 4236[InlineData(LanguageVersion.CSharp10)] 4309[InlineData(LanguageVersion.CSharp10)] 4385[InlineData(LanguageVersion.CSharp10)] 4459[InlineData(LanguageVersion.CSharp10)] 4530[InlineData(LanguageVersion.CSharp10)] 4605[InlineData(LanguageVersion.CSharp10)] 4681[InlineData(LanguageVersion.CSharp10)] 4756[InlineData(LanguageVersion.CSharp10)] 4827[InlineData(LanguageVersion.CSharp10)] 4898[InlineData(LanguageVersion.CSharp10)] 4973[InlineData(LanguageVersion.CSharp10)] 5049[InlineData(LanguageVersion.CSharp10)] 5116[InlineData(LanguageVersion.CSharp10)] 5187[InlineData(LanguageVersion.CSharp10)] 5260[InlineData(LanguageVersion.CSharp10)] 5333[InlineData(LanguageVersion.CSharp10)] 5417[InlineData(LanguageVersion.CSharp10)] 5486[InlineData(LanguageVersion.CSharp10)] 5556[InlineData(LanguageVersion.CSharp10)] 5635[InlineData(LanguageVersion.CSharp10)] 5706[InlineData(LanguageVersion.CSharp10)] 5785[InlineData(LanguageVersion.CSharp10)] 5906[InlineData(LanguageVersion.CSharp10)] 5958[InlineData(LanguageVersion.CSharp10)] 6014[InlineData(LanguageVersion.CSharp10)] 6092[InlineData(LanguageVersion.CSharp10)] 6160[InlineData(LanguageVersion.CSharp10)] 6217[InlineData(LanguageVersion.CSharp10)] 6307[InlineData(LanguageVersion.CSharp10)] 6390[InlineData(LanguageVersion.CSharp10)] 6446[InlineData(LanguageVersion.CSharp10)] 6517[InlineData(LanguageVersion.CSharp10)] 6577[InlineData(LanguageVersion.CSharp10)] 6649[InlineData(LanguageVersion.CSharp10)] 6710[InlineData(LanguageVersion.CSharp10)] 6801[InlineData(LanguageVersion.CSharp10)] 6857[InlineData(LanguageVersion.CSharp10)] 6917[InlineData(LanguageVersion.CSharp10)] 6978[InlineData(LanguageVersion.CSharp10)] 7038[InlineData(LanguageVersion.CSharp10)] 7094[InlineData(LanguageVersion.CSharp10)] 7150[InlineData(LanguageVersion.CSharp10)] 7210[InlineData(LanguageVersion.CSharp10)] 7271[InlineData(LanguageVersion.CSharp10)] 7323[InlineData(LanguageVersion.CSharp10)] 7379[InlineData(LanguageVersion.CSharp10)] 7457[InlineData(LanguageVersion.CSharp10)] 7525[InlineData(LanguageVersion.CSharp10)] 7597[InlineData(LanguageVersion.CSharp10)] 7667[InlineData(LanguageVersion.CSharp10)] 7738[InlineData(LanguageVersion.CSharp10)] 7810[InlineData(LanguageVersion.CSharp10)] 7877[InlineData(LanguageVersion.CSharp10)] 7945[InlineData(LanguageVersion.CSharp10)] 8001[InlineData(LanguageVersion.CSharp10)] 8053[InlineData(LanguageVersion.CSharp10)] 8092[InlineData(LanguageVersion.CSharp10)] 8160[InlineData(LanguageVersion.CSharp10)] 8194[InlineData(LanguageVersion.CSharp10)] 8257[InlineData(LanguageVersion.CSharp10)] 8324[InlineData(LanguageVersion.CSharp10)] 8362[InlineData(LanguageVersion.CSharp10)] 8399[InlineData(LanguageVersion.CSharp10)] 8440[InlineData(LanguageVersion.CSharp10)] 8488[InlineData(LanguageVersion.CSharp10)] 8533[InlineData(LanguageVersion.CSharp10)] 8575[InlineData(LanguageVersion.CSharp10)] 8624[InlineData(LanguageVersion.CSharp10)] 8672[InlineData(LanguageVersion.CSharp10)] 8713[InlineData(LanguageVersion.CSharp10)] 8763[InlineData(LanguageVersion.CSharp10)] 8808[InlineData(LanguageVersion.CSharp10)] 8865[InlineData(LanguageVersion.CSharp10)] 8911[InlineData(LanguageVersion.CSharp10)] 8982[InlineData(LanguageVersion.CSharp10)] 9023[InlineData(LanguageVersion.CSharp10)] 9068[InlineData(LanguageVersion.CSharp10)] 9114[InlineData(LanguageVersion.CSharp10)] 9159[InlineData(LanguageVersion.CSharp10)] 9200[InlineData(LanguageVersion.CSharp10)] 9249[InlineData(LanguageVersion.CSharp10)] 9290[InlineData(LanguageVersion.CSharp10)] 9336[InlineData(LanguageVersion.CSharp10)] 9382[InlineData(LanguageVersion.CSharp10)] 9419[InlineData(LanguageVersion.CSharp10)] 9460[InlineData(LanguageVersion.CSharp10)] 9501[InlineData(LanguageVersion.CSharp10)] 9546[InlineData(LanguageVersion.CSharp10)] 9594[InlineData(LanguageVersion.CSharp10)] 9665[InlineData(LanguageVersion.CSharp10)] 9699[InlineData(LanguageVersion.CSharp10)] 9737[InlineData(LanguageVersion.CSharp10)] 9800[InlineData(LanguageVersion.CSharp10)] 9839[InlineData(LanguageVersion.CSharp10)] 9916[InlineData(LanguageVersion.CSharp10)] 9986[InlineData(LanguageVersion.CSharp10)] 10024[InlineData(LanguageVersion.CSharp10)] 10080[InlineData(LanguageVersion.CSharp10)] 10122[InlineData(LanguageVersion.CSharp10)] 10185[InlineData(LanguageVersion.CSharp10)] 10228[InlineData(LanguageVersion.CSharp10)] 10298[InlineData(LanguageVersion.CSharp10)] 10336[InlineData(LanguageVersion.CSharp10)] 10378[InlineData(LanguageVersion.CSharp10)] 10421[InlineData(LanguageVersion.CSharp10)] 10463[InlineData(LanguageVersion.CSharp10)] 10501[InlineData(LanguageVersion.CSharp10)] 10539[InlineData(LanguageVersion.CSharp10)] 10581[InlineData(LanguageVersion.CSharp10)] 10624[InlineData(LanguageVersion.CSharp10)] 10658[InlineData(LanguageVersion.CSharp10)] 10696[InlineData(LanguageVersion.CSharp10)] 10750[InlineData(LanguageVersion.CSharp10)] 10808[InlineData(LanguageVersion.CSharp10)] 10878[InlineData(LanguageVersion.CSharp10)] 10966[InlineData(LanguageVersion.CSharp10)] 11020[InlineData(LanguageVersion.CSharp10)] 11121[InlineData(LanguageVersion.CSharp10)] 11363[InlineData(LanguageVersion.CSharp10)] 11395[InlineData(LanguageVersion.CSharp10)] 11483[InlineData(LanguageVersion.CSharp10)] 11519[InlineData(LanguageVersion.CSharp10)] 11609[InlineData(LanguageVersion.CSharp10)] 11689[InlineData(LanguageVersion.CSharp10)] 11744[InlineData(LanguageVersion.CSharp10)] 11804[InlineData(LanguageVersion.CSharp10)] 11844[InlineData(LanguageVersion.CSharp10)] 11899[InlineData(LanguageVersion.CSharp10)] 11990[InlineData(LanguageVersion.CSharp10)] 12031[InlineData(LanguageVersion.CSharp10)] 12087[InlineData(LanguageVersion.CSharp10)] 12131[InlineData(LanguageVersion.CSharp10)] 12176[InlineData(LanguageVersion.CSharp10)] 12218[InlineData(LanguageVersion.CSharp10)] 12264[InlineData(LanguageVersion.CSharp10)] 12323[InlineData(LanguageVersion.CSharp10)] 12390[InlineData(LanguageVersion.CSharp10)] 12437[InlineData(LanguageVersion.CSharp10)] 12507[InlineData(LanguageVersion.CSharp10)] 12570[InlineData(LanguageVersion.CSharp10)] 12616[InlineData(LanguageVersion.CSharp10)] 12668[InlineData(LanguageVersion.CSharp10)] 12718[InlineData(LanguageVersion.CSharp10)] 12774[InlineData(LanguageVersion.CSharp10)] 12825[InlineData(LanguageVersion.CSharp10)] 12882[InlineData(LanguageVersion.CSharp10)] 12928[InlineData(LanguageVersion.CSharp10)] 12978[InlineData(LanguageVersion.CSharp10)] 13029[InlineData(LanguageVersion.CSharp10)] 13079[InlineData(LanguageVersion.CSharp10)] 13125[InlineData(LanguageVersion.CSharp10)] 13179[InlineData(LanguageVersion.CSharp10)] 13225[InlineData(LanguageVersion.CSharp10)] 13275[InlineData(LanguageVersion.CSharp10)] 13326[InlineData(LanguageVersion.CSharp10)] 13368[InlineData(LanguageVersion.CSharp10)] 13414[InlineData(LanguageVersion.CSharp10)] 13473[InlineData(LanguageVersion.CSharp10)] 13540[InlineData(LanguageVersion.CSharp10)] 13592[InlineData(LanguageVersion.CSharp10)] 13662[InlineData(LanguageVersion.CSharp10)] 13736[InlineData(LanguageVersion.CSharp10)] 13846[InlineData(LanguageVersion.CSharp10)] 13963[InlineData(LanguageVersion.CSharp10)] 14022[InlineData(LanguageVersion.CSharp10)] 14086[InlineData(LanguageVersion.CSharp10)] 14154[InlineData(LanguageVersion.CSharp10)] 14228[InlineData(LanguageVersion.CSharp10)] 14275[InlineData(LanguageVersion.CSharp10)] 14362[InlineData(LanguageVersion.CSharp10)] 14418[InlineData(LanguageVersion.CSharp10)] 14486[InlineData(LanguageVersion.CSharp10)]

1516[InlineData(LanguageVersion.CSharp10)] 3132[InlineData(LanguageVersion.CSharp10)] 3176[InlineData(LanguageVersion.CSharp10)] 3216[InlineData(LanguageVersion.CSharp10)]

29public static readonly IEnumerable<object[]> Regular10AndScriptAndRequiredMembersMinimum = new[] { new[] { TestOptions.Regular10 }, new[] { RequiredMembersOptions }, new[] { TestOptions.Script.WithLanguageVersion(LanguageVersion.CSharp10) } }; 30public static readonly IEnumerable<object[]> Regular10AndScript = new[] { new[] { TestOptions.Regular10 }, new[] { TestOptions.Script.WithLanguageVersion(LanguageVersion.CSharp10) } };

19[InlineData(LanguageVersion.CSharp10)] 56[InlineData(LanguageVersion.CSharp10)] 94[InlineData(LanguageVersion.CSharp10)] 130[InlineData(LanguageVersion.CSharp10)] 167[InlineData(LanguageVersion.CSharp10)] 225[InlineData(LanguageVersion.CSharp10)] 287[InlineData(LanguageVersion.CSharp10)] 347[InlineData(LanguageVersion.CSharp10)] 400[InlineData(LanguageVersion.CSharp10)] 462[InlineData(LanguageVersion.CSharp10)] 545[InlineData(LanguageVersion.CSharp10)] 648[InlineData(LanguageVersion.CSharp10)] 694[InlineData(LanguageVersion.CSharp10)] 734[InlineData(LanguageVersion.CSharp10)] 778[InlineData(LanguageVersion.CSharp10)] 843[InlineData(LanguageVersion.CSharp10)] 875[InlineData(LanguageVersion.CSharp10)] 926[InlineData(LanguageVersion.CSharp10)] 980[InlineData(LanguageVersion.CSharp10)] 1011[InlineData(LanguageVersion.CSharp10)] 1050[InlineData(LanguageVersion.CSharp10)] 1089[InlineData(LanguageVersion.CSharp10)] 1136[InlineData(LanguageVersion.CSharp10)]

42public static readonly CSharpParseOptions Regular10 = Regular.WithLanguageVersion(LanguageVersion.CSharp10);

25=> languageVersion >= LanguageVersion.CSharp10;

59=> options.LanguageVersion() >= LanguageVersion.CSharp10; 65=> options.LanguageVersion() >= LanguageVersion.CSharp10; 75=> options.LanguageVersion() >= LanguageVersion.CSharp10;

304if (!conversion.Exists && expression is LambdaExpressionSyntax && semanticModel.Compilation.LanguageVersion() >= LanguageVersion.CSharp10)

110info.LanguageVersion >= LanguageVersion.CSharp10)

2837solution = solution.WithProjectParseOptions(project.Id, new CSharpParseOptions(LanguageVersion.CSharp10)); 4078solution = solution.WithProjectParseOptions(project.Id, new CSharpParseOptions(LanguageVersion.CSharp10));

112LanguageVersion = CodeAnalysis.CSharp.LanguageVersion.CSharp10,

95LanguageVersion = CodeAnalysis.CSharp.LanguageVersion.CSharp10, 247LanguageVersion = CodeAnalysis.CSharp.LanguageVersion.CSharp10,

627LanguageVersion = LanguageVersion.CSharp10 693LanguageVersion = LanguageVersion.CSharp10 765LanguageVersion = LanguageVersion.CSharp10

143[InlineData(CodeAnalysis.CSharp.LanguageVersion.CSharp10)]

1281LanguageVersion = CodeAnalysis.CSharp.LanguageVersion.CSharp10,

5615LanguageVersion = languageVersion ?? CodeAnalysis.CSharp.LanguageVersion.CSharp10

368LanguageVersion = LanguageVersion.CSharp10,

820LanguageVersion = LanguageVersion.CSharp10

23LanguageVersion = CodeAnalysis.CSharp.LanguageVersion.CSharp10, 55LanguageVersion = CodeAnalysis.CSharp.LanguageVersion.CSharp10, 879LanguageVersion = CodeAnalysis.CSharp.LanguageVersion.CSharp10;

2178LanguageVersion = CSharpLanguageVersion.CSharp10, 2228LanguageVersion = CSharpLanguageVersion.CSharp10,

839LanguageVersion = LanguageVersion.CSharp10, 878LanguageVersion = LanguageVersion.CSharp10,

27yield return CodeAnalysis.CSharp.LanguageVersion.CSharp10.ToString();

785LanguageVersion = CodeAnalysis.CSharp.LanguageVersion.CSharp10,

82LanguageVersion = LanguageVersion.CSharp10,

427syntaxTrees: new[] { CSharpSyntaxTree.ParseText(@"// this is a comment", CSharpParseOptions.Default.WithLanguageVersion(CSharp.LanguageVersion.CSharp10)) },

25=> languageVersion >= LanguageVersion.CSharp10;

59=> options.LanguageVersion() >= LanguageVersion.CSharp10; 65=> options.LanguageVersion() >= LanguageVersion.CSharp10; 75=> options.LanguageVersion() >= LanguageVersion.CSharp10;

304if (!conversion.Exists && expression is LambdaExpressionSyntax && semanticModel.Compilation.LanguageVersion() >= LanguageVersion.CSharp10)

110info.LanguageVersion >= LanguageVersion.CSharp10)