protected bool Equals(
TypeSymbol otherType,
CodeAnalysis.SymbolEqualityComparer equalityComparer
)
{
if (otherType is null)
{
return(false);
}
else if ((object)otherType == this)
{
return(true);
}
var compareKind = equalityComparer.CompareKind;
if (
NullableAnnotation != otherType.NullableAnnotation &&
(compareKind & TypeCompareKind.IgnoreNullableModifiersForReferenceTypes) == 0 &&
(
(compareKind & TypeCompareKind.ObliviousNullableModifierMatchesAny) == 0 ||
(
NullableAnnotation != CodeAnalysis.NullableAnnotation.None &&
otherType.NullableAnnotation != CodeAnalysis.NullableAnnotation.None
)
) &&
!(UnderlyingTypeSymbol.IsValueType && !UnderlyingTypeSymbol.IsNullableType())
)
{
return(false);
}
return(UnderlyingTypeSymbol.Equals(otherType.UnderlyingTypeSymbol, compareKind));
}
bool ISymbol.Equals(ISymbol other, CodeAnalysis.SymbolEqualityComparer equalityComparer)
{
return(this.Equals(other as Symbol, equalityComparer));
}
protected bool Equals(Symbol other, CodeAnalysis.SymbolEqualityComparer equalityComparer)
{
return(other is object && UnderlyingSymbol.Equals(other.UnderlyingSymbol, equalityComparer.CompareKind));
}
