3 references to isDerivedType
Microsoft.CodeAnalysis.CSharp (3)
FlowAnalysis\NullableWalker_Patterns.cs (3)
410Debug.Assert(isDerivedType(NominalSlotType(originalInputSlot), expressionTypeWithState.Type)); 748Debug.Assert(isDerivedType(outputSlotAndType.type, type)); 752Debug.Assert(NominalSlotType(slot) is var slotType && (slotType.IsErrorType() || isDerivedType(slotType, type)));