matcher() builtin, like joiner() and cycler() #90

miracle2k opened this Issue Jan 21, 2012 · 2 comments


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Any interest in including something like this:

I have just written this code a second time, needing it again and not remembering I had already implemented it once.

It seems to fit very well alongside joiner() and cycler(), and presumably is a common usecase.


mitsuhiko commented Jan 22, 2012

Not a bad idea. Though the default should probably be undefined for consistency with the inline if expression.

Which value specifically do you suggest should default to undefined?

I have implemented the code as-is here:

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