From: Brian Candler <b.candler@...>
Date: 2009-01-28T19:54:35+09:00
Subject: Re: how can I switch over an array ?

Tsunami Script wrote:
> I have the following code snippet :
> 
> def call(char,value)
>   case char
>     when " ","#","!","@","$","%","^","&","*","(",")","{","}","
> [","]","\'","\"","<",">",",",".","?",";","\n","\r"
>        @map[char].call(value)
>     when "digit"
>        @map[char].call(value)
>     when "char"
>        @map[char].call(value)
>     else
>        puts "don't know what to do with #{char} and #{value}"
>     end
> end
> 
> can the first when be written in a simpler way ?

SPECIAL = /\A[#{Regexp.escape(" #!@$%^&*(){}[]'\"<>,.?;\r\n")}]\z/
def call(char,value)
  case char
    when SPECIAL
      ... etc

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