[fpc-devel] is not operator

[Martin Frb]

On 12/09/2026 12:57, Martin Frb via fpc-devel wrote:
>
>
> real example from fpc
>   While (I>=0) and (Not ((Components[i] is ModuleClass) and 
> (TCustomHTTPModule(Components[i]).Kind<>wkOneShot))) do
>
> The not actually does not apply to the "is" => but you need to look 
> twice at least, to spot the double "((" that expresses this.
> (this is excluded from the count at the start, as the regex insists on 
> a single opening "(")
>
>

To clarify that: This itself wont change by having "Is not". But if a 
codebase is maintained with "is not" where applicable, the above will 
stand out as being not "is not". Thus the reader will be more likely to 
avoid the mistake.