From: William James <w_a_x_man@...>
Date: 2009-01-15T19:54:02+09:00
Subject: Re: Higher order ruby

zslevi wrote:

> foo = lambda {|x|
> return lambda {|y| return x+y}}
> 
> puts (foo.call(3)).call(4)
> 
> It works finally, but it's just too verbose.
> Can anyone suggest a shorter, programmer friendlier way of writing
> this?

Can you see that "proc" is shorter than "lambda"?

foo = proc{|x| proc{|y| x+y}}
    ==>#<Proc:0x02824eb4@(irb):20>
foo[3][4]
    ==>7