[Issue 21252] New: parameters inherit function UDAs

d-bugmail at puremagic.com d-bugmail at puremagic.com
Wed Sep 16 01:45:03 UTC 2020


          Issue ID: 21252
           Summary: parameters inherit function UDAs
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: elpenguino+D at gmail.com

enum A;
enum B;
static if (is(typeof(& func) Fsym : Fsym*)) {
    static if (is(Fsym P == function)) {
        static assert(__traits(getAttributes, P[0 .. 1]).length == 1);
        static assert(is(__traits(getAttributes, P[0 .. 1])[0] == A));

void func(@B int) {}

The first parameter appears to have both @A and @B applied to it. I would only
expect @B.

Note that the second assert will fail until issue #21251 is fixed.


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