[Issue 10101] New: static if conditional cannot be at global scope using mixin template

d-bugmail at puremagic.com d-bugmail at puremagic.com
Thu May 16 19:38:51 PDT 2013


http://d.puremagic.com/issues/show_bug.cgi?id=10101

           Summary: static if conditional cannot be at global scope using
                    mixin template
           Product: D
           Version: D2
          Platform: x86
        OS/Version: Windows
            Status: NEW
          Severity: regression
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: kyfolee at gmail.com


--- Comment #0 from Kyle Foley <kyfolee at gmail.com> 2013-05-16 22:38:50 EDT ---
windows DMD32 2.063 beta2

The following compiles in 2.062 but breaks in 2.063 beta2
---

int front(int);

mixin template reflectRange()
{
   static if ( is( typeof(this.front) ) ) { }
}

struct S(R)
{
   R r_;

   typeof(r_.front) front() @property { return r_.front; }

   mixin reflectRange;
}

void main() {
   S!(int) s;
}

---

.\static_if.d(5): Error: static if conditional cannot be at global scope
.\static_if.d(14): Error: mixin static_if.S!(int).S.reflectRange!() error
instantiating
.\static_if.d(18): Error: template instance static_if.S!(int) error
instantiating

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