use __traits(externDmangle) if supported by compiler

dlang · May 27, 2017 · 68f59ed · 68f59ed
1 parent f7378d4
commit 68f59ed
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/core/internal/traits.d b/src/core/internal/traits.d
@@ -88,7 +88,12 @@ private template substInoutForm(T)
 /// used to declare an extern(D) function that is defined in a different module
 template externDFunc(string fqn, T:FT*, FT) if(is(FT == function))
 {
- static if (is(FT RT == return) && is(FT Args == function))
+ static if (__traits(compiles, __traits(foo, void function())))
+ {
+ alias _wrap(alias T) = T; // fool the parser
+ alias externDFunc = _wrap!(__traits(externDmangle, fqn, FT));
+ }
+ else static if (is(FT RT == return) && is(FT Args == function))
  {
  import core.demangle : mangleFunc;
  enum decl = {