On Mon, 21 Feb 2022, Ryan Joseph via fpc-pascal wrote:
On Feb 21, 2022, at 7:01 PM, Michael Van Canneyt via fpc-pascal
<fpc-pascal@lists.freepascal.org> wrote:
Yes, this is testbit.
Why do you say it does not work ?
Oh my, I was confusing my terms I think. I wanted to do bit masking (I think it's
called). I was expecting there to be something like TestFlag in the RTL since I can never
remember the syntax "Value = (Value or Index)"
function TestFlag(Value: QWord; Index: Byte): Boolean;
begin
result := Value = (Value or Index);
end;
Hm. I'm not sure that this code does what you need.
But masking is indeed not in the helpers.
Michael.
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