Getting all struct members and values with introspection avoiding string mixins
mw
mw at g.c
Thu Oct 5 22:24:06 UTC 2023
On Thursday, 5 October 2023 at 21:41:38 UTC, cc wrote:
>
> If you have `T info`, T.tupleof[n] will always match up with
> info.tupleof[n]. You can think of `info.tupleof[n]` as being
> rewritten by the compiler in-place as info.whateverFieldThatIs.
> You might try this version (note the double {{ }} with static
> foreach):
> ```d
> void printStructInfo( T )( T info ) {
> static foreach( i, A; info.tupleof ) {{
> enum attribName = T.tupleof[i].stringof;
> writefln( "%s : %s", attribName, info.tupleof[i] );
> }}
> }
> ```
>
> Be advised that T.tupleof and __traits(allMembers, T) return
> two different sets of things. allMembers will probably get you
> a lot of stuff you don't want and will need to write checks to
> avoid. Using .tupleof is a perfectly acceptable practice.
Thanks, this version does not include the alias.
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