[fpc-devel] A call to help test pure functions

[J. Gareth Moreton]

No mode switch - just apply the changes from my branch over at 
https://gitlab.com/CuriousKit/optimisations/-/tree/pure?ref_type=heads. 
To mark a function as pure, append the directive "pure" after the 
function definition, like you would with "virtual" or "inline", say.

Given it's a Free Pascal construct, it probably should be disabled in 
Delphi mode etc, but currently it isn't.

Kit

On 02/10/2023 12:43, Mattias Gaertner via fpc-devel wrote:
>
>
> On 29.09.23 21:28, J. Gareth Moreton via fpc-devel wrote:
>> [...]  As the examples imply, to mark as a function as pure, simply
>> use the new "pure" directive.
>
> When is it available? Is there a modeswitch?
>
> Mattias
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