implement get_many_mut #324
Description
get_many_mut and similar methods are very useful in hashbrown. Those can be implemented for indexmap.
https://docs.rs/hashbrown/latest/hashbrown/struct.HashMap.html#method.get_many_mut
{{ message }}
get_many_mut and similar methods are very useful in hashbrown. Those can be implemented for indexmap.
https://docs.rs/hashbrown/latest/hashbrown/struct.HashMap.html#method.get_many_mut