On Fri, 12 May 2023, Thomas Kurz via fpc-pascal wrote:
I would expect the type helper to remain functional. The types are the same
for all purposes except they have a different RTTI entry.
But this behaviour seems inconsistent to me. For example:
With "var x:double" I can use "x.IsNan". With TDateTime, which is defined as "type
TDateTime = type Double", I cannot.
With strings, I can use "x.IsEmpty". With Utf8String, which is defined as "type
TUtf8String = type AnsiString", I cannot.
It's not because I expect it to, that it is actually so.
As I said, Sven will need to explain what the current behaviour actually
is...
Michael.
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