[Issue 11208] New: returned ref to scoped isn't caught by local ref escape error
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Wed Oct 9 10:02:21 PDT 2013
http://d.puremagic.com/issues/show_bug.cgi?id=11208
Summary: returned ref to scoped isn't caught by local ref
escape error
Product: D
Version: D2
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: Phobos
AssignedTo: nobody at puremagic.com
ReportedBy: eco at gnuk.net
--- Comment #0 from Brad Anderson <eco at gnuk.net> 2013-10-09 10:02:20 PDT ---
Tested with dmd 2.63.2. Trying to return a ref int to a local int errors
correctly as does a `scope A a = new A()`.
---
import std.typecons, std.stdio;
class A { }
// Using auto ref because I don't know how to get the type of scoped
// (I guess I should file this behavior as a bug too)
auto ref fun()
{
auto a = scoped!A();
writefln("%x", &a);
return a; // Compiler should output:
// Error: escaping reference to scope local a
}
void main()
{
auto a = fun();
writefln("%x", &a);
}
---
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