add `isfull` for `CircularDeque`#798

Open

AIxer wants to merge 3 commits intoJuliaCollections:masterfrom

Commits on Apr 9, 2022

add `isfull` for `CircularDeque`
Yoga14s\CXIN
committed
add some tests for `CircularDeque`'s `isfull`
Yoga14s\CXIN
committed
Update docs
Yoga14s\CXIN
committed