inline enum in function declaration

[Deewiant]

Lionello Lunesu wrote:
> I'm cutting back on the use of "bool" as a function parameter, since the
> words "true" and "false" are rarely applicable to the respective
> parameter, for example:
> 
> #void Invalidate( bool redraw );
> 
> This declaration seems ok, but when reading the code:
> 
> #Invalidate(true);
> 
> you have no idea what that "true" is referring to. I guess everybody
> knows what I'm talking about with "cutting back on the bool".
> 
> Obviously "enum" is the right replacement:

I'd prefer just being able to pass the names of function parameters when calling:

Invalidate(redraw : true);

There were probably some reasons why this isn't that simple (syntax ambiguities
or non-consensus), but I'm too lazy to look them up. I'm fairly sure this has
been discussed before, though.