public override bool IsSubType(DataType other)
{
// List covariance works because lists are immutable
var otherList = other as ListType;
return(otherList != null && _elementType.IsSubType(otherList.ElementType));
}
/// <summary>
/// Compares two DataType instances for sub-type.
/// </summary>
/// <returns>True if the first type is a subtype (or the same type) as the second type, false otherwise.</returns>
public static bool SubTypeOf(DataType a, DataType b)
{
return a != null && b != null && a.IsSubType(b);
}
/// <summary>
/// Compares two DataType instances for sub-type.
/// </summary>
/// <returns>True if the first type is a subtype (or the same type) as the second type, false otherwise.</returns>
public static bool SubTypeOf(DataType a, DataType b)
{
return(a != null && b != null && a.IsSubType(b));
}