Implement flatten for Option<&Option<T>>
and Option<&mut Option<T>>
#108671
Open
Coca162 wants to merge 7 commits intorust-lang:masterfrom
Open
Implement flatten for `Option<&Option<T>>` and `Option<&mut Option<T>>`#108671Coca162 wants to merge 7 commits intorust-lang:masterfrom
Coca162 wants to merge 7 commits intorust-lang:masterfrom