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digitalmars.D.bugs - [Issue 7628] New: Regression with std.string format and alias this

reply d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=7628

           Summary: Regression with std.string format and alias this
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Phobos
        AssignedTo: nobody puremagic.com
        ReportedBy: admin dav1d.de



This code runs on ideone: http://ideone.com/iSBBO 
But not here, 32 bit, Linux, dmd 2.058 with:


/usr/include/d/std/conv.d(101): Error: template
std.format.formatValue(Writer,T,Char) if (is(Unqual!(T) == bool))
formatValue(Writer,T,Char) if (is(Unqual!(T) == bool)) matches more than one
template declaration,
/usr/include/d/std/format.d(1342):formatValue(Writer,T,Char) if
(!isSomeString!(T) && isDynamicArray!(T)) and
/usr/include/d/std/format.d(1978):formatValue(Writer,T,Char) if
(!isSomeString!(T) && (is(T == struct) || is(T == union)))

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Mar 02 2012
next sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=7628


bioinfornatics <bioinfornatics gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |bioinfornatics gmail.com



06:07:50 PST ---
I got same error as you on linux 64 with ldc2 and dmdfe 2.058

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prev sibling next sibling parent d-bugmail puremagic.com writes:
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Don't link to an external site, because it may be disappear in the future.
Instead write code directly, or attach the testcase, please.


 http://ideone.com/iSBBO 


import std.string;
import std.stdio;

struct S {
    ubyte[] metadata;

    string toString(){
        return "%s".format( metadata );
    }
}

struct Foo {
    S[] bar;
    alias bar this;

    string toString(){
        return "%s".format( bar );
    }
}

void main(){
    S   s;
    s.metadata = [0,1,2];
    Foo foo;
    foo.bar = [s];

    writeln( foo );
}

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prev sibling next sibling parent d-bugmail puremagic.com writes:
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https://github.com/D-Programming-Language/phobos/pull/473

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prev sibling next sibling parent d-bugmail puremagic.com writes:
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This test case with 2.059head does not raise errors, but std.format still has
an issue.

Reduced test case:

struct Foo {
    int[] bar;
    alias bar this;
}
void main()
{
    import std.format;
    import std.array;

    auto w = appender!string();
    FormatSpec!char f;
    Foo foo;
    formatValue(w, foo, f);    // OK
    formatValue(w, Foo(), f);  // NG
}

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prev sibling next sibling parent d-bugmail puremagic.com writes:
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Commit pushed to master at https://github.com/D-Programming-Language/phobos

https://github.com/D-Programming-Language/phobos/commit/9583a25fdb03a2f5187e06af6e703e03419a130f
added tests for bug 7628

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Pull request:
https://github.com/D-Programming-Language/phobos/pull/473

Merged commit:
https://github.com/D-Programming-Language/phobos/commit/b01e60f7195336e79dbe9e0aeef2925041d7f99b

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

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


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prev sibling parent d-bugmail puremagic.com writes:
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Commit pushed to master at https://github.com/D-Programming-Language/phobos

https://github.com/D-Programming-Language/phobos/commit/1c1e5887b28f713ac627aa5d986f8294414e7692
added tests for bug 7628

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Mar 08 2012