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digitalmars.D.bugs - [Issue 17973] New: getSymbolsByUDA deprecation message: symbol not


          Issue ID: 17973
           Summary: getSymbolsByUDA deprecation message: symbol not
                    visible from std.traits
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: minor
          Priority: P1
         Component: phobos
          Assignee: nobody puremagic.com
          Reporter: zorael gmail.com

Arch linux amd64, tested on dmd 2.077.0 and LDC 1.5.0 (based on 2.075.1).

Related: https://issues.dlang.org/show_bug.cgi?id=15907

Using getSymbolsByUDA in a context where it ends up looking at private symbols
gives a deprecation message, the same as in the bug linked above. This includes
private symbols in the current module.

alphaglosined in #d did not consider it to be a bug (though based on a more
elaborate example using mixins), so this may be intended behaviour.

 alphaglosined | you can create an issue if you want, my intearpretation
suggests that it is working correctly
 alphaglosined | the work done on visibility checking for traits isn't very
old, so there could be some bugs in there that I haven't considered ;)
 B4S1L3 | ideally protection should be bypassed for most of the __traits() and
people should use getProtection and decide to follow the protection attribs
seamnatic or not.
Heavily reduced: ------------------------------ module app; import std.traits; private: SomeUDA void foo() {} public: struct SomeUDA {} void main() { foreach (member; getSymbolsByUDA!(app, SomeUDA)) {} // current module } ----------------------------- /usr/include/dlang/dmd/std/traits.d-mixin-7761(7761,19): Deprecation: app.foo is not visible from module traits --
Nov 08 2017