• via Digitalmars-d-bugs (45/45) Sep 12 2014 https://issues.dlang.org/show_bug.cgi?id=13463

via Digitalmars-d-bugs <digitalmars-d-bugs puremagic.com> writes:

https://issues.dlang.org/show_bug.cgi?id=13463

          Issue ID: 13463
           Summary: Post-blit constructor not called for "out" contract
                    when returning struct
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Keywords: contracts, wrong-code
          Severity: major
          Priority: P1
         Component: DMD
          Assignee: nobody puremagic.com
          Reporter: thecybershadow gmail.com

/////////// test.d //////////
import std.stdio;

struct S
{
    this(this)
    {
        writeln("Copied");
    }

    ~this()
    {
        writeln("Destroyed");
    }

    S fun()
    out(result) { }
    body { return this; }
}

void main()
{
    S s;
    s.fun();
}
/////////////////////////////


This prints:

Destroyed
Destroyed

It should print (and does so when commenting out the contract):

Copied
Destroyed
Destroyed

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