Syntax for one-line "nonymous" functions in "declaration style"
Alexey Muranov
alexey.muranov at gmail.com
Thu Mar 28 16:21:48 EDT 2019
On jeu., mars 28, 2019 at 8:57 PM, Terry Reedy <tjreedy at udel.edu> wrote:
>
>> But i see your point about never assigning lambdas directly, it
>> makes sense. But sometimes i do assign short lambdas directly to
>> variable.
>>
>>> Is the convenience and (very low) frequency of applicability worth
>>> the inconvenience of confusing the meaning of '=' and
>>> complicating the implementation?
>>>
>>>> I do not see any conflicts with the existing syntax.
>>>
>>> It heavily conflicts with existing syntax. The current meaning of
>>> target_expression = object_expression
>>> is
>>> 1. Evaluate object_expression in the existing namespace to an
>>> object, prior to any new bindings and independent of the
>>> target_expression.
>>> 2. Evaluate target_expression in the existing namespace to one or
>>> more targets.
>>> 3. Bind object to target or iterate target to bind to multiple
>>> targets.
>>
>> I do not thick so. In "x = 42" the variable x is not evaluated.
>>
>> All examples of the proposed syntax i can think of are currently
>> illegal, so i suppose there is no conflicts. (I would appreciate a
>> counterexample, if any.)
>
> You are talking about syntax conflicts, I am talking about semantic
> conflict, which is important for human understanding.
I believe there is no semantic conflict either, or could you be more
specific?
Alexey.
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