[issue1506122] Add "compose" function to the functools

[Demur Rumed]

Demur Rumed <junkmute at hotmail.com> added the comment:

A type safe compose could be useful. One which instead of returning a function that takes (*args,**kwargs), takes the same as the first function which the arguments would be passed to. Copying a functions argument semantics would be useful in general, such as for decorators

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nosy: +serprex

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue1506122>
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