public SetType(PLanguageType elementType) : base(TypeKind.Set)
{
ElementType = elementType;
}
public override bool IsAssignableFrom(PLanguageType otherType)
{
// Copying semantics: both the other key and value types must be subtypes of this key/value type.
return(otherType.Canonicalize() is SetType other &&
ElementType.IsAssignableFrom(other.ElementType));
}
public override bool IsAssignableFrom(PLanguageType otherType)
{
return(otherType.Canonicalize() is ForeignType other &&
CanonicalRepresentation == other.CanonicalRepresentation);
}
public override bool IsAssignableFrom(PLanguageType otherType)
{
return(TypeDefDecl.Type.IsAssignableFrom(otherType));
}
public override bool IsAssignableFrom(PLanguageType otherType)
{
// can only assign to an enum variable of the same enum type.
// enum declarations are always reference-equal
return((otherType as EnumType)?.EnumDecl == EnumDecl);
}