http://d.puremagic.com/issues/show_bug.cgi?id=8804

           Summary: countUntil warning on an infinite range
           Product: D
           Version: D2
          Platform: x86
        OS/Version: Windows
            Status: NEW
          Keywords: diagnostic
          Severity: minor
          Priority: P2
         Component: Phobos
        AssignedTo: nobody@puremagic.com
        ReportedBy: bearophile_hugs@eml.cc


--- Comment #0 from bearophile_hugs@eml.cc 2012-10-11 14:34:19 PDT ---
import std.range: recurrence;
import std.algorithm: countUntil;
void main() {
    auto fibs = recurrence!q{a[n-1] + a[n-2]}(1, 1);
    auto f20 = countUntil!(x => x >= 20)(fibs);
}


DMD 2.061alpha:

...\algorithm.d(4038): Warning: statement is not reachable

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--- Comment #1 from bearophile_hugs@eml.cc 2012-10-11 14:34:51 PDT ---
Of course it needs to be compiled with warnings on.

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On Thursday, 11 October 2012 at 21:34:52 UTC, bearophile_hugs@eml.cc wrote:
> http://d.puremagic.com/issues/show_bug.cgi?id=8804
>
>
>
> --- Comment #1 from bearophile_hugs@eml.cc 2012-10-11 14:34:51 PDT ---
> Of course it needs to be compiled with warnings on.

Nice. Compiler is *too* smart! :D

I got this one.

http://d.puremagic.com/issues/show_bug.cgi?id=8804


monarchdodra@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
                 CC|                            |monarchdodra@gmail.com
         AssignedTo|nobody@puremagic.com        |monarchdodra@gmail.com


--- Comment #2 from monarchdodra@gmail.com 2012-10-12 09:34:32 PDT ---
(In reply to comment #1)
> Of course it needs to be compiled with warnings on.

Nice. Compiler is *too* smart! :D

I got this one (unless you had it?).

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--- Comment #3 from bearophile_hugs@eml.cc 2012-10-12 10:52:16 PDT ---
(In reply to comment #2)

> (unless you had it?).

It's all yours. I have not yet started fixing bugs.

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monarchdodra@gmail.com changed:

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


--- Comment #4 from monarchdodra@gmail.com 2012-12-16 23:11:49 PST ---
https://github.com/D-Programming-Language/phobos/pull/951/files

Fixed and verified by monarchdodra on 17 dec 2012.

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