Method alloc

crates/core/src/slab.rs:366–369

(&mut self, value: T)

    /// storage, and the new capacity exceeds `Slab::MAX_CAPACITY`.
    #[inline]
    pub fn alloc(&mut self, value: T) -> Result<Id, OutOfMemory> {
        self.try_alloc(value)
            .or_else(|value| self.alloc_slow(value))
    }

    /// Get the `Id` that will be returned for the next allocation in this slab.
    #[inline]