On 30/07/12 14:32, Jacob Carlborg wrote:
On 2012-07-30 12:30, torhu wrote:
version is good for global options that you set with -version on the
command line. And can also be used internally in a module, but doesn't
work across modules. But it seems you have discovered this the hard way
already.
I think there was a discussion about this a few years ago, Walter did it
this way on purpose. Can't remember the details, though.
He probably wants to avoid the C macro hell.
IIRC it's because version identifiers are global.
______________________________
module b;
version = CoolStuff;
______________________________
module a;
import b;
version (X86)
{
version = CoolStuff;
}
version(CoolStuff)
{
// Looks as though this is only true on X86.
// But because module b used the same name, it's actually true always.
}
______________________________
These types of problems would be avoided if we used the one-definition
rule for version statements, bugzilla 7417.
