Order of evaluation for named arguments
claptrap
clap at trap.com
Tue Apr 1 11:26:34 UTC 2025
On Tuesday, 1 April 2025 at 02:04:44 UTC, monkyyy wrote:
> On Monday, 31 March 2025 at 23:16:57 UTC, claptrap wrote:
>> On Monday, 31 March 2025 at 21:43:07 UTC, Salih Dincer wrote:
>>> On Monday, 31 March 2025 at 19:47:01 UTC, Richard (Rikki)
>>> Andrew Cattermole wrote:
>>>> [...]
>>>
>>> +1
>>>
>>> If the probability is low, as Jonathan emphasizes, then
>>> please change the behavior of the D compiler. Or if not, in
>>> this case, here is the intermediate solution:
>>>
>>> **Add a warning or error message**
>>>
>>> "Named arguments are evaluated in parameter order, so be
>>> mindful of side effects!"
>>
>> Or just require that parameters are always passed in the same
>> order as the declaration. Makes this bug impossible, and no
>> *silent* breakage.
>
> Doesnt that make the whole thing meaningless
I thought the point was to document at call site, ie clarify long
parameter lists, and enable skipping defaults?
I mean I don't see the point of just being able to change the
order the parameters are passed in?
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