Improve documentation of `slice::{from_ptr_range, from_ptr_range_mut}` Document panic conditions (`T` is a ZST) and sync docs of shared/unique version. cc `@wx-csy`
Improve documentation of `slice::{from_ptr_range, from_ptr_range_mut}` Document panic conditions (`T` is a ZST) and sync docs of shared/unique version. cc `@wx-csy`