Re: New Switch Idea

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  • Posted by bernie Mar 27, 2009
  • 1119 views
jeremy said...
bernie said...

How about allowing an integer or a sequence between the case keyword and the colon ?

Bernie,

Currently sequences are allowed, but finding of one item in a sequence does not work. We are looking to expand switch/case in 4.1 for some of these options. Here are two examples: 

switch "apple" do 
    case "pear": ? 1 
    case "banana": ? 2 
    case "apple": ? 3 
    case "orange": ? 4 
end switch 
 
-- Output: 3 
 
switch 1 do 
    case {1,2,3}: ? 1 
    case {4,5,6}: ? 2 
    case else 
        ? -1 
end switch 
 
-- Output: -1

Jeremy

Oh yea I see the problem. There is no way to distinguish a numeric from an alpha in a sequence.

The solution to that is to not use a sequence but allow us to do the following. After the case no curlicues which would be interpreted as integers 

switch 1 do 
    case 1,2,3: ? 1 
    case 4,5,6: ? 2 
    case else 
        ? -1 
end switch
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