Method get_mut

crates/core/src/slab.rs:410–415

(&mut self, id: Id)

    /// `None`, or return an arbitrary value.
    #[inline]
    pub fn get_mut(&mut self, id: Id) -> Option<&mut T> {
        match self.entries.get_mut(id.0.index())? {
            Entry::Occupied(x) => Some(x),
            Entry::Free { .. } => None,
        }
    }

    /// Does this slab contain an allocated value for `id`?
    #[inline]