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Yep, multi-line functions (lambdas, closures) delimited by whitespace shouldn't be a problem ... but I've heard the same argument made as well. Do you remember where it was that you first read that "whitespace delimiters is the main reason why we aren't allowed to have multi-line lambdas" ?

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I've been arguing for ages about that on #python/freenode. Otherwise, I don't know. Different attempts have been made to include lambdas but it always feel wrong and unpythonic.

I believe it's not so much about multi-lines but more about how the standard library is designed. It's mostly imperative/OO and use really few callbacks. Thus, when you try mixing long lambdas, it feels wrong. Unlike in CS with node.js or jQuery (for example), where callbacks are really the way to go.

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