From: Quintus <sutniuq@...>
Date: 2012-04-12T03:32:29+09:00
Subject: Re: how does ruby parse/detect self.name= methods?

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Am 11.04.2012 20:01, schrieb Roger Pack:
> Hello.
> 
> I am a bit confused.
> 
> With this class:
> 
> class A def go=(something) p 'in go=' end
> 
> def test_go go=3 end end
> 
> A.new.test_go # does not call go= A.new.go=3 # does call go=
> 
> But it seems like I never run into this problem...so...how does
> Ruby *ever* call a local :method= type method, since they're
> always ambiguous? Or are they? Thanks! -roger-
> 

`go=3' is _always_ a local variable assignment. No way to prevent
that. What you can do is to tell Ruby the receiver:

  def test_go
    self.go=3
  end

This forces Ruby to look up the #go= method on self directly,
bypassing the local variable guess.

Vale,
Marvin
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