[Issue 1301] CTFE fails for ImportExpressions

[Chris Nicholson-Sauls]

d-bugmail at puremagic.com wrote:
> http://d.puremagic.com/issues/show_bug.cgi?id=1301
> 
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> 
> ------- Comment #2 from samukha at voliacable.com  2007-06-30 12:27 -------
> Oops. Thanks for pointing that out.
> 
> 

One thing I think should work is hiding the import() in a template, and 
sending that value off to the CTF.

template T_Import (char[] file) {
   const T_Import = import(file);
}

template T_Foo (char[] file) {
   const T_Foo = `foo("`~T_Import!(file)~`")` ;
}

char[] foo (char[] data) {
   // ...
}

void main (char[][] args) {
   mixin(T_Foo!("template"));
}

I've used something similar to preload image and font data in an SDL 
based program.  It does work -- and the extra T_Import template 
maintains one copy of a given file being embedded.  (Otherwise fonts at 
least would sometimes result in two or three copies.  Bad bad disc 
usage, that.)

-- Chris Nicholson-Sauls