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A more fine-grained functools.singledispatch

Project description

Like functools.singledispatch, but will allow to register multiple functions for each class.

If a registered function decides it cannot handle the value after inspecting it, it can give up and let others try their luck:

from allot import allot, Pass

@allot
def f(obj):
    return 'object'

@f.register(int)
def f_small_integer(obj):
    if obj > 10:
        return Pass
    return 'small integer'

assert f('a string') == 'object'
assert f(3) == 'small integer'
assert f(10) == 'object'

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