fn local_root(&self) -> H256 {
        let root = self.prover.root();
        if root == *INITIAL_ROOT {
            H256::zero()
        } else {
            root
        }
    }
// The current canonical local root. This is the root that the full
// prover currently has. If that root is the initial root, it is 0.
The current canonical local root. This is the root that the full
prover currently has. If that root is the initial root, it is 0.
The current canonical local root . This is the root that the full prover currently has . If that root is the initial root it is 0 .
fn local_root(&self) -> H256 {
        let root = self.prover.root();
        if root == *INITIAL_ROOT {
            H256::zero()
        } else {
            root
        }
    }
fn local_root ( & self ) -> H256 { let root = self . prover . root ( ) ; if root == * INITIAL_ROOT { H256 :: zero ( ) } else { root } }
The current canonical local root.
The current canonical local root .
&self
&self