Issue #12136 has been updated by Benoit Daloze.


Marc-Andre Lafortune wrote:
> Sadly, there's no way to know from `method_missing` if that method is called privately or publicly, so this would effectively make all private methods become public which is not acceptable.

There is a way now, mentioned in #12113. I'm not sure whether it is good idea to use it, though.

----------------------------------------
Bug #12136: OpenStruct.new(format: :bar).send :format # => too few arguments
https://bugs.ruby-lang.org/issues/12136#change-57279

* Author: Niko Dittmann
* Status: Open
* Priority: Normal
* Assignee: 
* ruby -v: ruby 2.3.0p0 (2015-12-25 revision 53290) [x86_64-linux]
* Backport: 2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: UNKNOWN
----------------------------------------
#send(:format) to an OpenStruct with a field named :format raises an ArgumentError in Ruby 2.3.0:

~~~
OpenStruct.new(format: :bar).send :format
ArgumentError: too few arguments
~~~

It works as expected in ruby 2.2.1p85 (2015-02-26 revision 49769) [x86_64-linux] and with any other method name I tried:

~~~
OpenStruct.new(f: :bar).send :f
=> :bar
~~~

String or Symbol in the OpenStruct definition and as argument of #send make no difference.



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