[#64517] Fw: Re: Ruby and Rails to become Apache Incubator Project — Tetsuya Kitahata <[email protected]>

What do you think? >> Ruby developers

13 messages 2014/08/23

[#64615] [ruby-trunk - Feature #10181] [Open] New method File.openat() — oss-ruby-lang@...

Issue #10181 has been reported by Technorama Ltd..

10 messages 2014/08/28
[#64616] Re: [ruby-trunk - Feature #10181] [Open] New method File.openat() — Eric Wong <normalperson@...> 2014/08/28

I like this feature.

[#64671] Fwd: [ruby-changes:35240] normal:r47322 (trunk): symbol.c (rb_sym2id): do not return garbage object — SASADA Koichi <ko1@...>

Why this fix solve your problem?

9 messages 2014/08/30
[#64672] Re: Fwd: [ruby-changes:35240] normal:r47322 (trunk): symbol.c (rb_sym2id): do not return garbage object — SASADA Koichi <ko1@...> 2014/08/30

(2014/08/30 8:50), SASADA Koichi wrote:

[ruby-core:64355] [ruby-trunk - Feature #10131] [Feedback] Greatest multiple of r not greater than x

From: nobu@...
Date: 2014-08-14 07:23:20 UTC
List: ruby-core #64355
Issue #10131 has been updated by Nobuyoshi Nakada.

Description updated
Status changed from Open to Feedback

`Rational#floor` and `BigDecimal#floor` take a `precision` argument optionally, like as `Float#round`.

----------------------------------------
Feature #10131: Greatest multiple of r not greater than x
https://bugs.ruby-lang.org/issues/10131#change-48331

* Author: Tsuyoshi Sawada
* Status: Feedback
* Priority: Normal
* Assignee: 
* Category: 
* Target version: 
----------------------------------------
It happens too often to me that I want to calculate the greatest multiple of numeric r not greater than numeric x. This can be done by a simple operation below:

~~~ruby
x, r = 3.7, 0.5
x.div(r).*(r) #=> 3.5

x, r = 41, 6
x.div(r).*(r) #=> 36
~~~

but I encounter this operation so often that I think it is an essential operation, and should be done as a single operation. Can any of the existing zero-ary operation be extended to take an optional argument to do this calculation? For example

~~~ruby
3.7.floor(0.5) #=> 3.5
41.floor(6)    #=> 36
~~~



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