[Python-ideas] Extending the usage of the @ decoration operator.

[Ethan Furman]

On 05/16/2014 07:08 PM, MRAB wrote:
> On 2014-05-17 02:40, Chris B wrote:
>> Right now, one can use the @ symbol only for decorations and only bofore
>> function or class definition. ("A decorator is just a callable that
>> takes a function as an argument and returns a replacement function.").
>>
>> @dec1(arg)
>> @dec2
>> def func(): pass
>>
>>
>> If a function has already been defined, it cannot be decorated using the
>> decoration operator. But it can still be decorated by explicitly calling
>> the decorator:
>>
>> @dec1(arg)
>> @dec2
>> def func(): pass
>>
>> is equivalent to:
>>
>> def func(): pass
>> func = dec1(arg)(dec2(func))
>>
>>
>> Now I propose that the @ symbol should also be usable as an assignment
>> operator, in which case a succeeding function definition would not be
>> decorated:
>>
> [snip]
> There is a proposal to use @ as an operator for matrix multiplication:
>
> http://legacy.python.org/dev/peps/pep-0465/

Which has been accepted.

--
~Ethan~