[Issue 20010] New: allow cast of type, not only expressions

d-bugmail at puremagic.com d-bugmail at puremagic.com
Sat Jun 29 10:14:30 UTC 2019


https://issues.dlang.org/show_bug.cgi?id=20010

          Issue ID: 20010
           Summary: allow cast of type, not only expressions
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: b2.temp at gmx.com

People write stuff like : 

    mixin("alias Func = " ~ typeof(&impl).stringof ~ " pure nothrow;");

to set the attributes of a function. We could have something like

    alias Func = cast(pure nothrow) typeof(&impl);

or even using the TypeCtor style

    alias Func = pure(nothrow(typeof(&impl)));

This probably requires a DIP but I open an issue to keep track of the idea.

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