[dox] enum specs vs reality

[Jacob Carlborg]

On 2013-08-28 01:53, captaindet wrote:
> i admit that i am not very good at reading/understanding language
> definition syntax. but yet i think the given enum specs (
> http://dlang.org/enum.html ) are not quite in order.
>
> they seem to imply that both
>
> enum ;
> enum WhatAmI ;

That doesn't look entirely correct. Currently the docs read:

EnumDeclaration:
     enum EnumBody

Should probably be:

EnumDeclaration:
     enum EnumMembersBody:


> are correct. while the first one throws an error as expected, the second
> one passes and is partially usable, potentially similar to C's #define
> OPTION. however, typedef's throwing of an error makes me doubt that this
> is legal:
>
> ----
> import std.stdio, std.traits;
>
> enum test;        // passes but is it really legal?
>
> int main(string[] args)
> {
>      writeln( __traits(compiles, test) );    // true
>
>      writeln( is( test == enum ) );            // true
>
>      writeln( isBasicType!(test) );            // true
>
>      writeln( isSomeFunction!(test) );        // false
>
>      //  writeln( typeof(test).stringof );        // Error: argument
> test to typeof is not an expression
>
>      return 0;
> }

The last one will fail since "typeof" expects an expression and not a type.

-- 
/Jacob Carlborg