| # Read-Only Shared-Mutable Handle |
| |
| This type marks a handle to a shared-mutable type that may be modified through |
| *other* handles, but cannot be modified through *this* one. It is used when a |
| [`BitSlice`] region has partial ownership of an element and wishes to expose the |
| entire underlying raw element to the user without granting them write |
| permissions. |
| |
| Under the `feature = "atomic"` build setting, this uses `radium`’s best-effort |
| atomic alias; when this feature is disabled, it reverts to `Cell`. |
| |
| [`BitSlice`]: crate::slice::BitSlice |
