[Issue 7756] New: iota(const doubles) problem

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=7756

           Summary: iota(const doubles) problem
           Product: D
           Version: unspecified
          Platform: x86
        OS/Version: Windows
            Status: NEW
          Keywords: rejects-valid
          Severity: normal
          Priority: P2
         Component: Phobos
        AssignedTo: nobody at puremagic.com
        ReportedBy: bearophile_hugs at eml.cc


--- Comment #0 from bearophile_hugs at eml.cc 2012-03-23 16:11:31 PDT ---
This program compiles with no errors:

import std.range, std.array;
void main() {
    alias const int CC;
    array(iota(cast(CC)0, cast(CC)10, cast(CC)1));
}



While this:

import std.range, std.array;
void main() {
    alias const double CC;
    array(iota(cast(CC)0.0, cast(CC)10.0, cast(CC)1.0));
}


Gives with DMD 2.059head:

...\dmd2\src\phobos\std\array.d(55): Error: result[i] isn't mutable
test.d(4): Error: template instance std.array.array!(Result) error
instantiating

Elsewhere there is a bug report about array() of const items.

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