http://d.puremagic.com/issues/show_bug.cgi?id=9874
Summary: Function call syntax disuniformity in template
constraints
Product: D
Version: D2
Platform: All
OS/Version: All
Status: NEW
Keywords: rejects-valid
Severity: minor
Priority: P2
Component: DMD
AssignedTo: [email protected]
ReportedBy: [email protected]
--- Comment #0 from [email protected] 2013-04-04 05:02:04 PDT ---
It seems inside the template constraints functions must be called with a
trailing (), unlike from other functions:
bool foo() {
return true;
}
void bar1(T)(T) if (foo()) {} // OK
void bar2(T)(T) if (foo) {} // error
void main() {
foo; // OK
bar1(0);
bar2(0);
}
dmd 2.063alpha gives:
temp.d(5): Error: constraint foo is not constant or does not evaluate to a bool
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