public static bool IsEqualTo(this TypeStruct first, TypeStruct second)
{
if (first.Tag != second.Tag)
{
return(false);
}
switch (first.Tag)
{
case TypeStructs.Quantified:
var arrow1 = (TypeStruct.Quantified)first;
var arrow2 = (TypeStruct.Quantified)second;
return(arrow1.Content.Polarity == arrow2.Content.Polarity &&
arrow1.Content.From.IsEqualTo(arrow2.Content.From) &&
arrow1.Content.To.IsEqualTo(arrow2.Content.To));
case TypeStructs.Module:
var module1 = (TypeStruct.Module)first;
var module2 = (TypeStruct.Module)second;
var members1 = module1.Content.Members;
var members2 = module2.Content.Members;
if (members1.Length != members2.Length)
{
return(false);
}
foreach (var index in ArrayOperations.CountUp(members1.Length))
{
if (!members1[index].IsEqualTo(members2[index]))
{
return(false);
}
}
return(true);
default:
throw new ArgumentOutOfRangeException();
}
}
public Type(TypeStruct content)
: base(TypedProductions.Type)
{
Content = content;
}