From: Kirk Haines <khaines@...>
Date: 2004-02-14T02:29:40+09:00
Subject: Re: return from yielded block

On Sat, 14 Feb 2004, Ara.T.Howard wrote:

> return a value.  i was not clear enough, let me try again:
> 
> def meth s
>   x =
>     block_meth do
>       if s =~ /forty/
>         return 40
>       else
>         return 0
>       end
>     end
>   x + 2
> end
> 
> def block_meth; yield; end
> 
> p(meth('forty')) # this prints 40 - i want it to print 42 

Again:

irb(main):001:0> def block_meth
irb(main):002:1>   yield
irb(main):003:1> end
=> nil
irb(main):004:0> def meth s
irb(main):005:1>   x = block_meth do
irb(main):006:2*     if s =~ /forty/
irb(main):007:3>       r = 40
irb(main):008:3>     else
irb(main):009:3*       r = 0
irb(main):010:3>     end
irb(main):011:2>     r
irb(main):012:2>   end
irb(main):013:1>   x + 2
irb(main):014:1> end
=> nil
irb(main):015:0> puts meth('forty')
42
=> nil


Is this what you want, or am I misunderstanding?


Kirk Haines