Stablize {HashMap,BTreeMap}::into_{keys,values}#84328

Merged

bors merged 2 commits intorust-lang:masterfrom Folyd:stablize_map_into_keys_values

May 6, 2021

+26-34

Commits on Apr 19, 2021

Stablize {HashMap,BTreeMap}::into_{keys,values}
Folyd
committed

Commits on May 5, 2021

Bump map_into_keys_values stable version to 1.54.0.
m-ou-se
committed