[Issue 8668] New: public selective import makes functions conflict when otherwise they don't

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=8668

           Summary: public selective import makes functions conflict when
                    otherwise they don't
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: dmitry.olsh at gmail.com


--- Comment #0 from Dmitry Olshansky <dmitry.olsh at gmail.com> 2012-09-16 06:19:29 PDT ---
Selective import is quite rotten. Continuing where I left with 8667 I've found
another issue now with public selective import:

Again given a few simple modules:

module m;

void split(T)(T k)
    if(is(T : string))
{
}


module m2;

void split(T)(T k)
    if(is(T : int))
{
}

//drop in another one to pull split from m2
module m3;

public import m2: split;

//and the one to call them...
import m;
import m3; //replace with m2 to make it work

void main(){
    split("abc");
    split(123);
}

Compiling this all together yeilds an output that suggest that 2 templates are
in conflict:

tryit.d(5): Error: m.split(T) if (is(T : string)) at m.d(3) conflicts with
m3.sp
lit at m3.d(3)
tryit.d(6): Error: template m.split does not match any function template
declara
tion
tryit.d(6): Error: template m.split(T) if (is(T : string)) cannot deduce
templat
e function from argument types !()(int)

DMD 2.060 been there since at least 2.056.

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