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digitalmars.D.bugs - [Issue 8804] New: countUntil warning on an infinite range

reply d-bugmail puremagic.com writes:
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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Oct 11 2012
next sibling parent reply d-bugmail puremagic.com writes:
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.

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parent "monarch_dodra" <monarchdodra gmail.com> writes:
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.
Oct 12 2012
prev sibling next sibling parent d-bugmail puremagic.com writes:
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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prev sibling next sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=8804



--- 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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prev sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=8804


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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Dec 16 2012