Method at_first_entry

cranelift/bforest/src/path.rs:250–252

Is this path pointing to the first entry in the tree? This corresponds to the smallest key.

(&self)

    /// Is this path pointing to the first entry in the tree?
    /// This corresponds to the smallest key.
    fn at_first_entry(&self) -> bool {
        self.entry[0..self.size].iter().all(|&i| i == 0)
    }

    /// Get a mutable reference to the current value.
    /// This assumes that there is a current value.