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digitalmars.D.bugs - [Issue 4253] New: opCall() not called in initialized struct

reply d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=4253

           Summary: opCall() not called in initialized struct
           Product: D
           Version: future
          Platform: x86
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: bearophile_hugs eml.cc


--- Comment #0 from bearophile_hugs eml.cc 2010-05-30 09:27:07 PDT ---
This is a small C++ program that compiles:

template<typename T> struct Foo {
    Foo(T x) {}
    template<typename U> void operator()(U y) {}
};
int main() {
    Foo<int> foo(1);
    foo(1.5);
}


I think this is an equivalent D2 program:

struct Foo(T) {
    this(T x) {}
    void opCall(U)(U y) {}
}
void main() {
    auto foo = Foo!int(1);
    foo(1.5); // line 7
}


But DMD V. 2.046 prints:
temp.d(7): Error: constructor temp.Foo!(int).Foo.this (int x) is not callable
using argument types (double)
temp.d(7): Error: cannot implicitly convert expression (1.5) of type double to
int

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next sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=4253



--- Comment #1 from bearophile_hugs eml.cc 2010-05-30 09:29:40 PDT ---
A simpler test case:

struct Foo {
    this(int x) {}
    void opCall(double y) {}
}
void main() {
    Foo foo = Foo(1);
    foo(1.5);
}

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prev sibling next sibling parent d-bugmail puremagic.com writes:
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--- Comment #2 from bearophile_hugs eml.cc 2011-03-08 09:53:48 PST ---
See also bug 4053

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Mar 08 2011
prev sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=4253


Kenji Hara <k.hara.pg gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |k.hara.pg gmail.com
         Resolution|                            |DUPLICATE


--- Comment #3 from Kenji Hara <k.hara.pg gmail.com> 2011-06-21 07:03:25 PDT ---
*** This issue has been marked as a duplicate of issue 6036 ***

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