On Tuesday, 12 June 2018 at 14:37:19 UTC, ag0aep6g wrote:
On Tuesday, 12 June 2018 at 13:40:45 UTC, bauss wrote:
See the following: https://run.dlang.io/is/uQ21PH

(I have tried with allMembers too.)

It's like it won't pick up the member that is added using a mixin at line 22.

mixin("ubyte[" ~ to!string(__PADDING_SIZE__) ~ "] __PADDING__" ~ member ~ ";");

It's because the identifier starts with two underscores. Such identifiers are reserved for internal use, and apparently they're ignored by some (all?) __traits.

I'm not sure if this can count as a bug, but it doesn't look just fine either.

Smaller test case:

struct S
    int foo, __bar, baz;
pragma(msg, __traits(allMembers, S)); /* tuple("foo", "baz") */
Thank you. I was not aware of such a gotcha.

Should definitely be documented or yield an error/warning if attempted in user code else you end up with hidden "bugs" like this

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