[Issue 21209] scope attribute inference with does not work well with foreach

d-bugmail at puremagic.com d-bugmail at puremagic.com
Tue Jun 1 12:50:59 UTC 2021


Dennis <dkorpel at live.nl> changed:

           What    |Removed                     |Added
                 CC|                            |dkorpel at live.nl
           Hardware|x86_64                      |All
                 OS|Linux                       |All

--- Comment #3 from Dennis <dkorpel at live.nl> ---
Worth noting that scope inference also fails on foreach loops of alias

void foo(A...)(A args) 
    static int x; x++; // force impure for issue 20150
    foreach(a; args) 
        // gets lowered to unrolled loop with `string a = _param_0;`

void main() 
    scope string x = "hey";

Error: scope variable `x` assigned to non-scope parameter `_param_0` calling


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