[ruby-core:87104] [Ruby trunk Feature#11161][Rejected] Proc/Method#rcurry working like curry but in reverse order

Issue #11161 has been updated by akr (Akira Tanaka).

Status changed from Open to Rejected

We discussed this issue at DevelopersMeeting20180517Japan [Misc #14698].

It needs better (practical) usages to show usefulness of this proposal.

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Feature #11161: Proc/Method#rcurry working like curry but in reverse order
https://bugs.ruby-lang.org/issues/11161#change-72074

* Author: Hanmac (Hans Mackowiak)
* Status: Rejected
* Priority: Normal
* Assignee: 
* Target version: 
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currenty with curry you can only replace elements in order
`#rcurry` should be added to be able to return the last parameter first.


```ruby
def abc(a,b); "a=#{a}, b=#{b}"; end
c= method(:abc).curry

c[1,2] #=> "a=1, b=2" 
c[1][2] #=> "a=1, b=2" 
```

i image rcurry to be like that:
```ruby
def abc(a,b); "a=#{a}, b=#{b}"; end
c= method(:abc).rcurry(2)

c[1,2] #=> "a=2, b=1" 
c[1][2] #=> "a=2, b=1" 
```

because of optional parameters, rcurry might be only be used when giving the arity



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