On Wednesday, 10 December 2014 at 12:57:07 UTC, Daniel Kozák via
Digitalmars-d-learn wrote:
V Wed, 10 Dec 2014 12:35:44 +0000
Lemonfiend via Digitalmars-d-learn
<digitalmars-d-learn@puremagic.com>
napsáno:
On Wednesday, 10 December 2014 at 12:08:34 UTC, ketmar via
Digitalmars-d-learn wrote:
> On Wed, 10 Dec 2014 11:52:11 +0000
> Lemonfiend via Digitalmars-d-learn
> <digitalmars-d-learn@puremagic.com>
> wrote:
>
>> Consider the following:
>>
>> ---
>> enum Foo { BAR, }
>>
>> mixin template S(string s_)
>> {
>> enum s = s_;
>> }
>>
>> void main()
>> {
>> mixin S!(Foo.BAR.stringof); // Error: identifier
>> 'stringof' of 'Foo.BAR.stringof' is not defined
>>
>> enum e = Foo.BAR.stringof;
>> mixin S!(e); // works fine
>> }
>> ---
>>
>> Why doesn't the first work? And is there an alternative to
>> the second version?
>
> mixin S!((Foo.BAR).stringof);
>
> sorry, don't remember the parsing rule for this.
Wow, I didn't even consider that.. Thanks!
Note: Using .stringof for code generation is not recommended,
as the
internal representation of a type or expression can change
between
different compiler versions.
http://dlang.org/property#stringof
Ah, thanks for the warning!
