Re: approve: Dictionary-chooseAssoc

ok

On Mar 1, 2004, at 7:50 PM, James Harkins wrote:

> Another minor enhancement. Sometimes you need the key when choosing 
> from a Dictionary too:
>
> + Dictionary {
> 	chooseAssoc {
> 		var index, key, val;
> 		if (this.size <= 0, { ^nil }); // empty dictionary
> 		while({
> 			index = (array.size >> 1).rand << 1; // generate an even index.
> 			(key = array.at(index)).isNil;			  // key is at even index.
> 		});
> 		// return the value for the first non Nil key we find.
> 		// the value is at the odd index.
> 		^Association.new(key, array[index + 1]);
> 	}
> }
>
> It's the same as the regular choose method except for the output.
> ____________________________________
>
> H. James Harkins /// dewdrop_world
> http://www.duke.edu/~jharkins
>
> "If attacked by a lion, thrust your arm down his throat.
> This takes some practice."  -- Cyril Connolly
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