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digitalmars.D.bugs - [Issue 3437] New: No way to make conversions to string in pure functions.

reply d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=3437

           Summary: No way to make conversions to string in pure
                    functions.
           Product: D
           Version: 2.035
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: alvcastro yahoo.es


--- Comment #0 from Alvaro <alvcastro yahoo.es> 2009-10-22 17:30:11 PDT ---
This code can't compile:

{{{

import std.conv;                                                                

pure string genCode(int num) {
    string result = "auto a = " ~ to!(string)(num) ~ ";";
    return result;
}

void main() {
    mixin( genCode(1) );    
}


}}}


If you want to generate the body of a pure function with any numerical
parameter from outside, there is no way to do it.

toStringNow! doesn't help here either.

Purity should be checked after the CTFE functions have been executed.

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Oct 22 2009
next sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=3437


Don <clugdbug yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |clugdbug yahoo.com.au
          Component|DMD                         |Phobos


--- Comment #1 from Don <clugdbug yahoo.com.au> 2010-02-26 08:14:56 PST ---
This is a Phobos issue. It's just because the to!() functions are not marked as
pure. Also the CTFE support for to!() functions is still limited.

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Feb 26 2010
prev sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=3437


yebblies <yebblies gmail.com> changed:

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


--- Comment #2 from yebblies <yebblies gmail.com> 2011-06-12 23:22:58 PDT ---
*** This issue has been marked as a duplicate of issue 4850 ***

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Jun 12 2011