Ruby Issue Tracking System

12/02/2025

04:26 PM Ruby Bug #21757 (Closed): Splatted args array is mutated when passing unexpected kwargs

The bug is very simple to provoke.
``` ruby
proc = ->(*) { } # we do NOT expect any keyword arguments.
args = [1, 2]
proc.(*args, bug: true)
pp args #=> [1, 2, {bug: true}]
```
The `args` array now has a third element ... apotonick (Nick Sutterer)

03/14/2018

03:05 PM Ruby Feature #14603 (Closed): Better error message when double-splatting hash with string keys

I couldn't find an existing issue even though I remember reading about it somewhere.
When double-splatting a hash with string keys, the error message is very cryptic.
~~~ ruby
a( **{ "key" => 1} )
#=> TypeError (wrong argument ... apotonick (Nick Sutterer)

10/31/2012

07:45 PM Ruby Feature #7240: Inheritable #included/#extended Hooks For Modules

=begin
Ah ok, now I understand you, Alexey. Instead of having a keyword (inclusive/inheritable) you want to have a special "namespace" as in
module M
def to_be_inherited.m; end
which would include the class method #m when includi... apotonick (Nick Sutterer)

07:01 PM Ruby Feature #7240: Inheritable #included/#extended Hooks For Modules

=begin
Interesting points, mates. I don't know about the method tables so all I can do is summarizing what we came up with so far.
== 1. Explicitely define inheritable class methods.
module M
inclusive/inheritable
def self.i_wi... apotonick (Nick Sutterer)

10/30/2012

07:08 AM Ruby Feature #7240 (Feedback): Inheritable #included/#extended Hooks For Modules

An inheritable hook mechanism for modules would be a great way for module/gem authors to simplify their implementations.
The Problem
-----------
Let's say I have the following module.
module A
def self.included(base)
... apotonick (Nick Sutterer)