DIP25/DIP1000: My thoughts round 2
Paul Backus
snarwin at gmail.com
Wed Sep 5 01:06:47 UTC 2018
On Tuesday, 4 September 2018 at 16:36:20 UTC, Nick Treleaven
wrote:
> My syntax for parameters that may get aliased to another
> parameter is to write the parameter number that may escape it
> in its scope attribute:
>
> On Sunday, 2 September 2018 at 05:14:58 UTC, Chris M. wrote:
>> void betty(ref scope int*'a r, scope int*'a p) // okay it's
>> not pretty
>
> void betty(ref scope int* r, scope(1) int* p);
>
> p is documented as (possibly) escaped in parameter 1.
Would using parameter names instead of numbers work? As an
unfamiliar reader, it wouldn't be clear at all to me what
`scope(1)` meant, but `scope(r) int* p` would at least suggest
that there's some connection between `p` and `r`.
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