[plt-scheme] keywords (a backward-incompatible change)

Hello,

> Have you considered colon-suffixed keywords?

Smalltalk uses colon-suffix to provide parameter when calling a method.
For instance: myDictionary includesKey: aKey ifAbsent: [self error:  
'key not found']
The receiver is myDictionary, the message is includesKey:ifAbsent:  
and the arguments are aKey and [..]

I find this way of writing quite elegant...

Cheers,
Alexandre

-- 
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Alexandre Bergel  http://www.iam.unibe.ch/~bergel
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