[#70257] [Ruby trunk - Feature #11420] [Open] Introduce ID key table into MRI — ko1@...

Issue #11420 has been reported by Koichi Sasada.

11 messages 2015/08/06

[ruby-core:70485] [Ruby trunk - Bug #11471] min, min_by, max, max_by with optional parameter return a wrong value

From: yasuhiro6194@...
Date: 2015-08-21 00:39:45 UTC
List: ruby-core #70485
Issue #11471 has been updated by Yasuhiro NAKAMURA.


I found the ticket which to request and discuss this feature.  Thicket is #8887.

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Bug #11471: min, min_by, max, max_by with optional parameter return a wrong value
https://bugs.ruby-lang.org/issues/11471#change-53889

* Author: Tsuyoshi Sawada
* Status: Open
* Priority: Normal
* Assignee: 
* ruby -v: 
* Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN
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This is reported in StackOverflow: http://stackoverflow.com/questions/32121749/why-20-13-14-min2-13-20. Sometimes `min`, `min_by`, `max`, `max_by` with an optional parameter return a wrong value.

    [20, 32, 32, 21, 30, 25, 29, 13, 14].min(2) # => [13, 20]
    [20, 32, 32, 21, 30, 25, 29, 13, 14].min_by(2, &:itself) # => [13, 20]
    [0, 0, 0, 0, 0, 0, 1, 3, 2].max(2) # => [3, 1]
    [0, 0, 0, 0, 0, 0, 1, 3, 2].max_by(2, &:itself) # => [3, 1]

---Files--------------------------------
enum_bug_fix.patch (2.05 KB)


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