datastructures: replace once_cell
crate with an impl from std#76075
Merged
bors merged 1 commit intorust-lang:masterfrom Aug 31, 2020
Merged
datastructures: replace `once_cell` crate with an impl from std#76075bors merged 1 commit intorust-lang:masterfrom
bors merged 1 commit intorust-lang:masterfrom