ruby-core

Issue #13083 has been updated by sam.saffron (Sam Saffron).


I am 100% with Rafael here, this is a very risky change, Rails and Sprockets are only a couple of projects, there will be tons of stuff that will not be caught.

Why not deprecate this for now and then next release it can be removed? 

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Feature #13083: {String|Symbol}#match{?} with nil returns falsy as Regexp#match{?}
https://bugs.ruby-lang.org/issues/13083#change-82413

* Author: kachick (Kenichi Kamiya)
* Status: Closed
* Priority: Normal
* Assignee: 
* Target version: 
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Just for consistency

* patch: https://github.com/ruby/ruby/pull/1506
* spec: https://github.com/ruby/spec/pull/380

Currently behaves as ( ruby --version: ruby 2.5.0dev (2016-12-28 trunk 57228) [x86_64-darwin16] )

~~~ ruby
'string'.__send__(:=~, nil) #=> nil
'string'.match(nil)         #=> TypeError: wrong argument type nil (expected Regexp)
'string'.match?(nil)        #=> TypeError: wrong argument type nil (expected Regexp)
:symbol.__send__(:=~, nil)  #=> nil
:symbol.match(nil)          #=> TypeError: wrong argument type nil (expected Regexp)
:symbol.match?(nil)         #=> TypeError: wrong argument type nil (expected Regexp)
/regex/.__send__(:=~, nil)  #=> nil
/regex/.match(nil)          #=> nil
/regex/.match?(nil)         #=> false
~~~


Expected to

~~~ruby
'string'.__send__(:=~, nil) #=> nil
'string'.match(nil)         #=> nil
'string'.match?(nil)        #=> false
:symbol.__send__(:=~, nil)  #=> nil
:symbol.match(nil)          #=> nil
:symbol.match?(nil)         #=> false
/regex/.__send__(:=~, nil)  #=> nil
/regex/.match(nil)          #=> nil
/regex/.match?(nil)         #=> false
~~~



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