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digitalmars.D.bugs - [Issue 8703] New: Disabling default ctor does not forbid default construction

reply d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=8703

           Summary: Disabling default ctor does not forbid default
                    construction
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: accepts-invalid
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: k.hara.pg gmail.com



This code should fail to compile, but doesn't.

struct S
{
     disable this();
}
void main()
{
    auto s = S();
}

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Sep 21 2012
next sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=8703


Simen Kjaeraas <simen.kjaras gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |simen.kjaras gmail.com
         Resolution|                            |DUPLICATE



PDT ---
*** This issue has been marked as a duplicate of issue 7021 ***

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Sep 21 2012
prev sibling next sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=8703


Maxim Fomin <maxim maxim-fomin.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |maxim maxim-fomin.ru



---

 This code should fail to compile, but doesn't.
 
 struct S
 {
      disable this();
 }
 void main()
 {
     auto s = S();
 }
Actually it is consistent with current D implementation (whether you like it or not). The root of this issue is that S() is neither "implicit constructor" nor struct literal - it is default initializer for struct. Currently structs can be initialized at runtime by four methods: default initializer, struct literal, constructor or opCall. In the example you block ctor but not default initializer. This is why S() works, but S.__ctor() as expected doesn't. -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: -------
Sep 21 2012
prev sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=8703






 This code should fail to compile, but doesn't.
 
 struct S
 {
      disable this();
 }
 void main()
 {
     auto s = S();
 }
Actually it is consistent with current D implementation (whether you like it or not). The root of this issue is that S() is neither "implicit constructor" nor struct literal - it is default initializer for struct. Currently structs can be initialized at runtime by four methods: default initializer, struct literal, constructor or opCall. In the example you block ctor but not default initializer. This is why S() works, but S.__ctor() as expected doesn't.
Yes, that's my point. In current S() represents default initializer, but I think it is invalid, because S has a constructor efen if it has no parameter and disable. -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: -------
Sep 21 2012