[Bese-devel] Cond for parenscript

[Marijn Haverbeke]

Hi,

Attached is a patch that adds a 'cond' form to parenscript for generating
proper 'if' / 'else if ' / 'else' javascript forms. It could already be
faked with a trivially simple parenscript macro, but that would output a
nested bunch of ifs in the javascript, which was kind of ugly. This 'cond'
is not integrated as well with 'if' as it could have been (express 'if' in
terms of 'cond') but this is because 'if' has a special case when it is an
expression - it expands into a (condition ? then : else) form. I could have
made cond expand into a nested series of those in that case, but didn't have
time for that.

Marijn
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