Add `DoubleEndedIterator` to `U32Digits` and `U64Digits`#208

Merged

bors[bot] merged 5 commits intorust-num:masterfrom PatrickNorton:digits-be

Aug 27, 2021

+90

Commits on Jul 22, 2021

Commits on Jul 28, 2021

Commits on Aug 27, 2021

Downgrade arbitrary for Rust < 1.51
cuviper
committed