[ruby-core:78355] [Ruby trunk Bug#12958] Breaking change in how `#round` works

Issue #12958 has been updated by Shyouhei Urabe.


Of course it changes behaviour.  A change always is.  The problem is how vital this (rounding an inexact number to a yet more inexact number) is.

As far as I can see the Rails breakage only happens in views, where 30secs is shown "less than a minute" instead of "1 minute".  That sounds very trivial to me.   And yet, did not break silently.

----------------------------------------
Bug #12958: Breaking change in how `#round` works
https://bugs.ruby-lang.org/issues/12958#change-61717

* Author: Rafael Fran巽a
* Status: Assigned
* Priority: Normal
* Assignee: Kenta Murata
* ruby -v: 
* Backport: 2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: UNKNOWN
----------------------------------------
We noticed in the Rails test suite that there is a breaking change in how `#round` works between 2.3 and 2.4

https://github.com/rails/rails/pull/27091

Is that desirable?

I think it is may cause a lot of problem if the behavior of `#round` without any arguments changes between a minor version.



-- 
https://bugs.ruby-lang.org/

Unsubscribe: <mailto:[e-mail]?subject=unsubscribe>
<http://lists.ruby-lang.org/cgi-bin/mailman/options/ruby-core>