Method peek

src/common/stack.rs:22–24

Returns (but does not remove) the item most recently added to this stack.

(&self)

    /// Returns (but does not remove) the item most recently added to this stack.
    pub fn peek(&self) -> Option<&T> {
        self.ll.first()
    }

    /// Returns an iterator to this stack that iterates through the items in LIFO order.
    pub fn iter(&self) -> Iter<'_, T> {