[Issue 5827] New: Invalid implicit cast from "int function() ref" to "int function"
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Sun Apr 10 01:13:50 PDT 2011
http://d.puremagic.com/issues/show_bug.cgi?id=5827
Summary: Invalid implicit cast from "int function() ref" to
"int function"
Product: D
Version: D2
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: DMD
AssignedTo: nobody at puremagic.com
ReportedBy: timon.gehr at gmx.ch
--- Comment #0 from timon.gehr at gmx.ch 2011-04-10 01:10:06 PDT ---
The following invalid D code is accepted by DMD:
import std.stdio;
int a=0;
ref int g(){
writeln("called g");
return ++a;
}
void main(){
int function() f=&g; //this should issue an error!
writeln(cast(int)&a);
writeln(f());
}
Output:
-144939256
called g
-144939256
(&g is implicitly cast to "int function() ref", after that, the identical
calling conventions for "ref int" (int*) and int result in an implicit
reinterpret-cast from "ref int" to int.)
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