expose rangeBase
typetrait, fix enum conversion warning
#24056
Merged
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refs #21682, refs #24038
The
rangeBase
typetrait added in #21682 which gives the base type of a range type is now added publicly totypetraits
. Previously it was only privately used inrepr_v2
and inenumutils
since #24052 (coincidentally I didn't see this until now). This is part of an effort to make range types easier to work with in generics, as mentioned in #24038. Its use combined with #24037 is also tested.The condition for the "enum to enum conversion" warning is now also restricted to conversions between different enum base types, i.e. conversion between an enum type and a range type of itself doesn't give a warning. I put this in this PR since the test gave the warning and so works as a regression test.