• d-bugmail puremagic.com (39/39) May 03 2009 http://d.puremagic.com/issues/show_bug.cgi?id=2933
• d-bugmail puremagic.com (8/8) May 10 2009 http://d.puremagic.com/issues/show_bug.cgi?id=2933
• d-bugmail puremagic.com (10/10) Jun 04 2009 http://d.puremagic.com/issues/show_bug.cgi?id=2933
• d-bugmail puremagic.com (10/10) Jun 10 2009 http://d.puremagic.com/issues/show_bug.cgi?id=2933
• d-bugmail puremagic.com (11/11) May 14 2010 http://d.puremagic.com/issues/show_bug.cgi?id=2933
• d-bugmail puremagic.com (11/11) Jun 05 2010 http://d.puremagic.com/issues/show_bug.cgi?id=2933

d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=2933

           Summary: Cannot return const/immutable with contracts
                    (out/invariant) enabled
           Product: D
           Version: 2.029
          Platform: PC
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: bugzilla digitalmars.com
        ReportedBy: tekjig gmail.com


If a method of a class returns a const or immutable value, and
the class has class invariant, then the compile fails.  It also
fails if a method returning a const/immutable has an out contract.

The following code:
--------------------
class Foo
{
    invariant() {}
    const(int) foo()
    {
        return 0;
    }
    immutable(int) bar()
    out(abc) { }
    body
    {
        return 0;
    }
}
--------------------
causes this compile error:
--------------------
test.d(4): Error: variable test.Foo.foo.__result cannot modify const
test.d(9): Error: variable test.Foo.bar.abc cannot modify mutable
--------------------


-- 

d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=2933






---
Created an attachment (id=356)
 --> (http://d.puremagic.com/issues/attachment.cgi?id=356)
This patch should fix the problem.

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=2933


Sobirari Muhomori <maxmo pochta.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |baryluk smp.if.uj.edu.pl





PDT ---
*** Issue 3048 has been marked as a duplicate of this issue. ***

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=2933


Sobirari Muhomori <maxmo pochta.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |andrei metalanguage.com





PDT ---
*** Issue 2799 has been marked as a duplicate of this issue. ***

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d-bugmail puremagic.com writes:

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Don <clugdbug yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |clugdbug yahoo.com.au



On svn 484(DMD 2.046), this patch doesn't fix the test case. It's possible that
the patch will work once bug 3667 is fixed, but I haven't tested that.

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=2933


Don <clugdbug yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED



Fixed when bug 3667 was fixed, in svn 490 (DMD 2.047).

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