Expands attribute declarations in members in depth first
order. Calls dg(size_t symidx, Dsymbol *sym) for each
member.
If dg returns !=0, stops and returns that value else returns 0.
Use this function to avoid the O(N + N^2/2) complexity of
calculating dim and calling N times getNth.
The D Programming Language's Unofficial Docs
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Expands attribute declarations in members in depth first order. Calls dg(size_t symidx, Dsymbol *sym) for each member. If dg returns !=0, stops and returns that value else returns 0. Use this function to avoid the O(N + N^2/2) complexity of calculating dim and calling N times getNth.