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;

30=> languageVersion >= LanguageVersion.CSharp10;

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

302if (!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,

12587await VerifyItemExistsAsync(MakeMarkup(source, languageVersion: LanguageVersion.CSharp10), "parameter"); 12654await VerifyItemExistsAsync(MakeMarkup(source, languageVersion: LanguageVersion.CSharp10), "parameter"); 12671await VerifyItemExistsAsync(MakeMarkup(source, languageVersion: LanguageVersion.CSharp10), "parameter"); 12688await VerifyItemExistsAsync(MakeMarkup(source, languageVersion: LanguageVersion.CSharp10), "parameter"); 12705await VerifyItemExistsAsync(MakeMarkup(source, languageVersion: LanguageVersion.CSharp10), "parameter"); 12717await VerifyItemExistsAsync(MakeMarkup(source, languageVersion: LanguageVersion.CSharp10), "parameter"); 12728await 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);

35317[InlineData(LanguageVersion.CSharp10)] 35348if (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;

1101LanguageVersion = LanguageVersion.CSharp10, 1138LanguageVersion = 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, 11555[InlineData(LanguageVersion.CSharp10)] 11660[InlineData(LanguageVersion.CSharp10)] 11694[InlineData(LanguageVersion.CSharp10)] 11735[InlineData(LanguageVersion.CSharp10)] 11771var comp = CreateCompilation(source, parseOptions: TestOptions.Regular.WithLanguageVersion(LanguageVersion.CSharp10)); 11922[InlineData(LanguageVersion.CSharp10)] 13351[InlineData(LanguageVersion.CSharp10)] 13374[InlineData(LanguageVersion.CSharp10)] 13399[InlineData(LanguageVersion.CSharp10)] 13419[InlineData(LanguageVersion.CSharp10)] 14663[InlineData(LanguageVersion.CSharp10)] 14935[InlineData(LanguageVersion.CSharp10)] 15094[InlineData(LanguageVersion.CSharp10)] 16910[InlineData(LanguageVersion.CSharp10)] 20018[InlineData(LanguageVersion.CSharp10)] 20078[InlineData(LanguageVersion.CSharp10)] 20098if (languageVersion == LanguageVersion.CSharp10) 20247[InlineData(LanguageVersion.CSharp10)] 20269[InlineData(LanguageVersion.CSharp10)] 25154[InlineData(LanguageVersion.CSharp10)] 25191[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionA, 25192[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 25232[InlineData(LanguageVersion.CSharp10)] 25283[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionA, 25284[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 25319[InlineData(LanguageVersion.CSharp10)] 25390[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionA, 25391[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 25422languageVersionB == LanguageVersion.CSharp10) 25441[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionA, 25442[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 25481languageVersionB == LanguageVersion.CSharp10) 25534[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 25570[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionA, 25571[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 25608languageVersionB == LanguageVersion.CSharp10) 25704[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 25741if (languageVersionB == LanguageVersion.CSharp10) 25772[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionA, 25820if (languageVersionA == LanguageVersion.CSharp10) 25887[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 25941[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersionB, 27041[InlineData(LanguageVersion.CSharp10, TargetFramework.Net60, false, false)] 27044[InlineData(LanguageVersion.CSharp10, TargetFramework.Net70, true, true)] 27091[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersion, 27148[CombinatorialValues(LanguageVersion.CSharp10, LanguageVersion.CSharp11)] LanguageVersion languageVersion, 30268[InlineData(LanguageVersion.CSharp10)] 30562[InlineData(LanguageVersion.CSharp10)] 30820[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);

21[InlineData(LanguageVersion.CSharp10)] 68[InlineData(LanguageVersion.CSharp10)] 140if (langVersion > LanguageVersion.CSharp10) 149[InlineData(LanguageVersion.CSharp10)] 320[InlineData(LanguageVersion.CSharp10)] 439[InlineData(LanguageVersion.CSharp10)] 610[InlineData(LanguageVersion.CSharp10)] 709[InlineData(LanguageVersion.CSharp10)] 772[InlineData(LanguageVersion.CSharp10)] 828[InlineData(LanguageVersion.CSharp10)] 868[InlineData(LanguageVersion.CSharp10)] 925[InlineData(LanguageVersion.CSharp10)] 967[InlineData(LanguageVersion.CSharp10)] 1033[InlineData(LanguageVersion.CSharp10)] 1078[InlineData(LanguageVersion.CSharp10)] 1123[InlineData(LanguageVersion.CSharp10)] 1171[InlineData(LanguageVersion.CSharp10)] 1287[InlineData(LanguageVersion.CSharp10)] 1355[InlineData(LanguageVersion.CSharp10)] 1486[InlineData(LanguageVersion.CSharp10)] 1623[InlineData(LanguageVersion.CSharp10)] 1691[InlineData(LanguageVersion.CSharp10)] 1808[InlineData(LanguageVersion.CSharp10)] 1940[InlineData(LanguageVersion.CSharp10)] 2006[InlineData(LanguageVersion.CSharp10)] 2056[InlineData(LanguageVersion.CSharp10)] 2100[InlineData(LanguageVersion.CSharp10)] 2175[InlineData(LanguageVersion.CSharp10)] 2233[InlineData(LanguageVersion.CSharp10)] 2257[InlineData(LanguageVersion.CSharp10)] 2281[InlineData(LanguageVersion.CSharp10)] 2387[InlineData(LanguageVersion.CSharp10)] 2493[InlineData(LanguageVersion.CSharp10)] 2587[InlineData(LanguageVersion.CSharp10)] 2634[InlineData(LanguageVersion.CSharp10)] 2704[InlineData(LanguageVersion.CSharp10)] 2770[InlineData(LanguageVersion.CSharp10)] 2813[InlineData(LanguageVersion.CSharp10)] 2857[InlineData(LanguageVersion.CSharp10)] 2932[InlineData(LanguageVersion.CSharp10)] 3103[InlineData(LanguageVersion.CSharp10)] 3250[InlineData(LanguageVersion.CSharp10)] 3342[InlineData(LanguageVersion.CSharp10)] 3368else if (langVersion == LanguageVersion.CSharp10) 3572[InlineData(LanguageVersion.CSharp10)] 3639[InlineData(LanguageVersion.CSharp10)] 3710[InlineData(LanguageVersion.CSharp10)] 3786[InlineData(LanguageVersion.CSharp10)] 3862[InlineData(LanguageVersion.CSharp10)] 3934[InlineData(LanguageVersion.CSharp10)] 4021[InlineData(LanguageVersion.CSharp10)] 4101[InlineData(LanguageVersion.CSharp10)] 4172[InlineData(LanguageVersion.CSharp10)] 4241[InlineData(LanguageVersion.CSharp10)] 4316[InlineData(LanguageVersion.CSharp10)] 4389[InlineData(LanguageVersion.CSharp10)] 4465[InlineData(LanguageVersion.CSharp10)] 4539[InlineData(LanguageVersion.CSharp10)] 4610[InlineData(LanguageVersion.CSharp10)] 4685[InlineData(LanguageVersion.CSharp10)] 4761[InlineData(LanguageVersion.CSharp10)] 4836[InlineData(LanguageVersion.CSharp10)] 4907[InlineData(LanguageVersion.CSharp10)] 4978[InlineData(LanguageVersion.CSharp10)] 5053[InlineData(LanguageVersion.CSharp10)] 5129[InlineData(LanguageVersion.CSharp10)] 5196[InlineData(LanguageVersion.CSharp10)] 5267[InlineData(LanguageVersion.CSharp10)] 5340[InlineData(LanguageVersion.CSharp10)] 5413[InlineData(LanguageVersion.CSharp10)] 5497[InlineData(LanguageVersion.CSharp10)] 5566[InlineData(LanguageVersion.CSharp10)] 5636[InlineData(LanguageVersion.CSharp10)] 5715[InlineData(LanguageVersion.CSharp10)] 5786[InlineData(LanguageVersion.CSharp10)] 5865[InlineData(LanguageVersion.CSharp10)] 5986[InlineData(LanguageVersion.CSharp10)] 6038[InlineData(LanguageVersion.CSharp10)] 6094[InlineData(LanguageVersion.CSharp10)] 6172[InlineData(LanguageVersion.CSharp10)] 6240[InlineData(LanguageVersion.CSharp10)] 6297[InlineData(LanguageVersion.CSharp10)] 6387[InlineData(LanguageVersion.CSharp10)] 6470[InlineData(LanguageVersion.CSharp10)] 6526[InlineData(LanguageVersion.CSharp10)] 6597[InlineData(LanguageVersion.CSharp10)] 6657[InlineData(LanguageVersion.CSharp10)] 6729[InlineData(LanguageVersion.CSharp10)] 6790[InlineData(LanguageVersion.CSharp10)] 6881[InlineData(LanguageVersion.CSharp10)] 6937[InlineData(LanguageVersion.CSharp10)] 6997[InlineData(LanguageVersion.CSharp10)] 7058[InlineData(LanguageVersion.CSharp10)] 7118[InlineData(LanguageVersion.CSharp10)] 7174[InlineData(LanguageVersion.CSharp10)] 7230[InlineData(LanguageVersion.CSharp10)] 7290[InlineData(LanguageVersion.CSharp10)] 7351[InlineData(LanguageVersion.CSharp10)] 7403[InlineData(LanguageVersion.CSharp10)] 7459[InlineData(LanguageVersion.CSharp10)] 7537[InlineData(LanguageVersion.CSharp10)] 7605[InlineData(LanguageVersion.CSharp10)] 7677[InlineData(LanguageVersion.CSharp10)] 7747[InlineData(LanguageVersion.CSharp10)] 7818[InlineData(LanguageVersion.CSharp10)] 7890[InlineData(LanguageVersion.CSharp10)] 7957[InlineData(LanguageVersion.CSharp10)] 8025[InlineData(LanguageVersion.CSharp10)] 8081[InlineData(LanguageVersion.CSharp10)] 8133[InlineData(LanguageVersion.CSharp10)] 8172[InlineData(LanguageVersion.CSharp10)] 8240[InlineData(LanguageVersion.CSharp10)] 8274[InlineData(LanguageVersion.CSharp10)] 8337[InlineData(LanguageVersion.CSharp10)] 8404[InlineData(LanguageVersion.CSharp10)] 8442[InlineData(LanguageVersion.CSharp10)] 8479[InlineData(LanguageVersion.CSharp10)] 8520[InlineData(LanguageVersion.CSharp10)] 8568[InlineData(LanguageVersion.CSharp10)] 8613[InlineData(LanguageVersion.CSharp10)] 8655[InlineData(LanguageVersion.CSharp10)] 8704[InlineData(LanguageVersion.CSharp10)] 8752[InlineData(LanguageVersion.CSharp10)] 8793[InlineData(LanguageVersion.CSharp10)] 8843[InlineData(LanguageVersion.CSharp10)] 8888[InlineData(LanguageVersion.CSharp10)] 8945[InlineData(LanguageVersion.CSharp10)] 8991[InlineData(LanguageVersion.CSharp10)] 9062[InlineData(LanguageVersion.CSharp10)] 9103[InlineData(LanguageVersion.CSharp10)] 9148[InlineData(LanguageVersion.CSharp10)] 9194[InlineData(LanguageVersion.CSharp10)] 9239[InlineData(LanguageVersion.CSharp10)] 9280[InlineData(LanguageVersion.CSharp10)] 9329[InlineData(LanguageVersion.CSharp10)] 9370[InlineData(LanguageVersion.CSharp10)] 9416[InlineData(LanguageVersion.CSharp10)] 9462[InlineData(LanguageVersion.CSharp10)] 9499[InlineData(LanguageVersion.CSharp10)] 9540[InlineData(LanguageVersion.CSharp10)] 9581[InlineData(LanguageVersion.CSharp10)] 9626[InlineData(LanguageVersion.CSharp10)] 9674[InlineData(LanguageVersion.CSharp10)] 9764[InlineData(LanguageVersion.CSharp10)] 9798[InlineData(LanguageVersion.CSharp10)] 9836[InlineData(LanguageVersion.CSharp10)] 9899[InlineData(LanguageVersion.CSharp10)] 9938[InlineData(LanguageVersion.CSharp10)] 10015[InlineData(LanguageVersion.CSharp10)] 10085[InlineData(LanguageVersion.CSharp10)] 10123[InlineData(LanguageVersion.CSharp10)] 10179[InlineData(LanguageVersion.CSharp10)] 10221[InlineData(LanguageVersion.CSharp10)] 10284[InlineData(LanguageVersion.CSharp10)] 10327[InlineData(LanguageVersion.CSharp10)] 10397[InlineData(LanguageVersion.CSharp10)] 10435[InlineData(LanguageVersion.CSharp10)] 10477[InlineData(LanguageVersion.CSharp10)] 10520[InlineData(LanguageVersion.CSharp10)] 10562[InlineData(LanguageVersion.CSharp10)] 10600[InlineData(LanguageVersion.CSharp10)] 10638[InlineData(LanguageVersion.CSharp10)] 10680[InlineData(LanguageVersion.CSharp10)] 10723[InlineData(LanguageVersion.CSharp10)] 10757[InlineData(LanguageVersion.CSharp10)] 10795[InlineData(LanguageVersion.CSharp10)] 10849[InlineData(LanguageVersion.CSharp10)] 10907[InlineData(LanguageVersion.CSharp10)] 10977[InlineData(LanguageVersion.CSharp10)] 11065[InlineData(LanguageVersion.CSharp10)] 11119[InlineData(LanguageVersion.CSharp10)] 11220[InlineData(LanguageVersion.CSharp10)] 11458[InlineData(LanguageVersion.CSharp10)] 11490[InlineData(LanguageVersion.CSharp10)] 11578[InlineData(LanguageVersion.CSharp10)] 11614[InlineData(LanguageVersion.CSharp10)] 11704[InlineData(LanguageVersion.CSharp10)] 11784[InlineData(LanguageVersion.CSharp10)] 11839[InlineData(LanguageVersion.CSharp10)] 11899[InlineData(LanguageVersion.CSharp10)] 11939[InlineData(LanguageVersion.CSharp10)] 11994[InlineData(LanguageVersion.CSharp10)] 12085[InlineData(LanguageVersion.CSharp10)] 12126[InlineData(LanguageVersion.CSharp10)] 12182[InlineData(LanguageVersion.CSharp10)] 12226[InlineData(LanguageVersion.CSharp10)] 12271[InlineData(LanguageVersion.CSharp10)] 12313[InlineData(LanguageVersion.CSharp10)] 12359[InlineData(LanguageVersion.CSharp10)] 12418[InlineData(LanguageVersion.CSharp10)] 12485[InlineData(LanguageVersion.CSharp10)] 12532[InlineData(LanguageVersion.CSharp10)] 12602[InlineData(LanguageVersion.CSharp10)] 12665[InlineData(LanguageVersion.CSharp10)] 12711[InlineData(LanguageVersion.CSharp10)] 12763[InlineData(LanguageVersion.CSharp10)] 12813[InlineData(LanguageVersion.CSharp10)] 12869[InlineData(LanguageVersion.CSharp10)] 12920[InlineData(LanguageVersion.CSharp10)] 12977[InlineData(LanguageVersion.CSharp10)] 13023[InlineData(LanguageVersion.CSharp10)] 13073[InlineData(LanguageVersion.CSharp10)] 13124[InlineData(LanguageVersion.CSharp10)] 13174[InlineData(LanguageVersion.CSharp10)] 13220[InlineData(LanguageVersion.CSharp10)] 13274[InlineData(LanguageVersion.CSharp10)] 13320[InlineData(LanguageVersion.CSharp10)] 13370[InlineData(LanguageVersion.CSharp10)] 13421[InlineData(LanguageVersion.CSharp10)] 13463[InlineData(LanguageVersion.CSharp10)] 13509[InlineData(LanguageVersion.CSharp10)] 13568[InlineData(LanguageVersion.CSharp10)] 13635[InlineData(LanguageVersion.CSharp10)] 13687[InlineData(LanguageVersion.CSharp10)] 13757[InlineData(LanguageVersion.CSharp10)] 13831[InlineData(LanguageVersion.CSharp10)] 13941[InlineData(LanguageVersion.CSharp10)] 14058[InlineData(LanguageVersion.CSharp10)] 14117[InlineData(LanguageVersion.CSharp10)] 14181[InlineData(LanguageVersion.CSharp10)] 14249[InlineData(LanguageVersion.CSharp10)] 14323[InlineData(LanguageVersion.CSharp10)] 14370[InlineData(LanguageVersion.CSharp10)] 14457[InlineData(LanguageVersion.CSharp10)] 14513[InlineData(LanguageVersion.CSharp10)] 14581[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);

30=> languageVersion >= LanguageVersion.CSharp10;

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

302if (!conversion.Exists && expression is LambdaExpressionSyntax && semanticModel.Compilation.LanguageVersion() >= LanguageVersion.CSharp10)

110info.LanguageVersion >= LanguageVersion.CSharp10)

2913solution = solution.WithProjectParseOptions(project.Id, new CSharpParseOptions(LanguageVersion.CSharp10)); 4192solution = solution.WithProjectParseOptions(project.Id, new CSharpParseOptions(LanguageVersion.CSharp10));

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

30=> languageVersion >= LanguageVersion.CSharp10;

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

302if (!conversion.Exists && expression is LambdaExpressionSyntax && semanticModel.Compilation.LanguageVersion() >= LanguageVersion.CSharp10)

110info.LanguageVersion >= LanguageVersion.CSharp10)