Allow `set_len(0)` on an empty `ThinVec`.#32

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Gankra merged 3 commits intomozilla:mainfrom

nnethercote:set_len-0

Aug 18, 2022

Commits on Aug 17, 2022

Allow `set_len(0)` on an empty `ThinVec`.
nnethercote
committed

Commits on Aug 18, 2022

Get precise with singleton checking.
nnethercote
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Add more tests.

Gankra
authored and
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