Method tree

benches/fork_join.rs:19–25

Constructs a new binary tree with the given number of layers.

(layers: usize)

impl Node {
    // Constructs a new binary tree with the given number of layers.
    pub fn tree(layers: usize) -> Self {
        Self {
            val: 1,
            left: (layers != 1).then(|| Box::new(Self::tree(layers - 1))),
            right: (layers != 1).then(|| Box::new(Self::tree(layers - 1))),
        }
    }
}

// Returns an iterator over the number of layers. Also returns the total number