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Thu May 23 18:00:09 CEST 2013 · https://mail.python.org/pipermail/python-dev/2013-May/126483.html

On 23.05.13 00:33, Łukasz Langa wrote:

> Hello,
> I would like to submit the following PEP for discussion and evaluation.
>
>
> PEP: 443
> Title: Single-dispatch generic functions
> [...]
>    >>> @fun.register(int)
>    ... def _(arg, verbose=False):
>    ...     if verbose:
>    ...         print("Strength in numbers, eh?", end=" ")
>    ...     print(arg)
>    ...

Should it be possible to register multiple types for the generic 
function with one register() call, i.e. should:

    @fun.register(int, float)
    def _(arg, verbose=False):
       ...

be allowed as a synonym for

    @fun.register(int)
    @fun.register(float)
    def _(arg, verbose=False):
       ...

Servus,
    Walter

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[Python-Dev] PEP 443 - Single-dispatch generic functions