From: "Mauricio Fernández" <batsman.geo@...>
Date: 2004-06-28T19:03:16+09:00
Subject: Re: Maybe IRB Bug?

On Mon, Jun 28, 2004 at 06:52:57PM +0900, gabriele renzi wrote:
> >> a.sort_by &(Array.instance_method(:size))
> TypeError: wrong argument type UnboundMethod (expected Proc)

Florian Gro� (flgr) thought of using #to_proc some time ago, something
like:

batsman@tux-chan:/tmp$ cat dfgdfgw4e5t6dsegb.rb

class Symbol
    def to_proc
        lambda{|x| x.method(self).call }
    end
end

a = %w[sdf dsfsdferrt4we dsfdfg dfg dfgdf gdf gdf gdfg]
p a
p a.sort_by(&:size)
batsman@tux-chan:/tmp$ ruby dfgdfgw4e5t6dsegb.rb
["sdf", "dsfsdferrt4we", "dsfdfg", "dfg", "dfgdf", "gdf", "gdf", "gdfg"]
["sdf", "gdf", "gdf", "dfg", "gdfg", "dfgdf", "dsfdfg", "dsfsdferrt4we"]



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