http://d.puremagic.com/issues/show_bug.cgi?id=5411

           Summary: import wtf1
           Product: D
           Version: D2
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody@puremagic.com
        ReportedBy: ellery-newcomer@utulsa.edu


--- Comment #0 from Ellery Newcomer <ellery-newcomer@utulsa.edu> 2011-01-04 17:20:43 PST ---
quick! where does the following code fail?


import std.stdio, std.algorithm: writeln, indexOf;
void main(){
    writefln("abc");                               //1
    writeln(map!("a+1")([1,2,3]));                 //2
    std.stdio.writefln("abc");                     //3
    writeln(std.algorithm.map!("a+1")([1,2,3]));   //5
    writeln(indexOf("abc","b"));                   //6
}

answer:
not 1, but it should
2, as it should
not 3, erm ?????
not 5, which may well be due to bug 314, or vice versa with 1
not 6, which maybe it shouldn't

summary: selective imports can select from multiple modules, but some of the multiple modules get in to this module's symbol table anyways

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Walter Bright <bugzilla@digitalmars.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |bugzilla@digitalmars.com
         Resolution|                            |INVALID


--- Comment #1 from Walter Bright <bugzilla@digitalmars.com> 2011-01-05 00:15:42 PST ---
The selective imports only apply to std.algorithm, not std.stdio.

std.algorithm publicly imports std.stdio, and so the selective import of writeln from std.algorithm works.

The behavior is as expected.

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Andrei Alexandrescu <andrei@metalanguage.com> changed:

           What    |Removed                     |Added
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             Status|RESOLVED                    |REOPENED
                 CC|                            |andrei@metalanguage.com
         Resolution|INVALID                     |


--- Comment #2 from Andrei Alexandrescu <andrei@metalanguage.com> 2011-01-05 00:18:55 PST ---
std.algorithm imports std.stdio privately.

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--- Comment #3 from Ellery Newcomer <ellery-newcomer@utulsa.edu> 2011-01-05 08:50:22 PST ---
(In reply to comment #1)
> The selective imports only apply to std.algorithm, not std.stdio.
> 
> std.algorithm publicly imports std.stdio, and so the selective import of writeln from std.algorithm works.
> 
> The behavior is as expected.

then why is std.algorithm.map in the local module symbol table?

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Peter Alexander <peter.alexander.au@gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |peter.alexander.au@gmail.co
                   |                            |m


--- Comment #4 from Peter Alexander <peter.alexander.au@gmail.com> 2011-01-05 14:09:40 PST ---
Another test:

import std.stdio;
void main() {
    writeln(std.algorithm.map!("a+1")([1,2,3])); // compiles
}

That succeeds (note lack of std.algorithm import)

import std.stdio;
void main() {
    writeln(map!("a+1")([1,2,3])); // error: map not defined
}

That doesn't.

Where is map coming from? std.stdio doesn't use a public import for std.algorithm.

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Jacob Carlborg <doob@me.com> changed:

           What    |Removed                     |Added
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                 CC|                            |doob@me.com


--- Comment #5 from Jacob Carlborg <doob@me.com> 2011-01-06 02:40:47 PST ---
I think the last test compiles due to http://d.puremagic.com/issues/show_bug.cgi?id=314

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--- Comment #6 from Ellery Newcomer <ellery-newcomer@utulsa.edu> 2011-01-06 17:43:42 PST ---
(In reply to comment #5)
> I think the last test compiles due to http://d.puremagic.com/issues/show_bug.cgi?id=314

yeah, looking back on this, I think all of them are instances of 314 and the rest is confusion about selective imports since the spec does not indicate how to interpret

import mod1, mod2, ... modN: identifier;

if it were up to me, I'd just disallow multiple module names in this case

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dawg@dawgfoto.de changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
                 CC|                            |dawg@dawgfoto.de
         Resolution|                            |DUPLICATE


--- Comment #7 from dawg@dawgfoto.de 2012-02-16 19:09:37 PST ---
*** This issue has been marked as a duplicate of issue 313 ***

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