Fix unneeded initial value and mut
@@ -45,7 +45,7 @@ impl SaplingShieldedAddress {
let mut bytes = io::Cursor::new(Vec::new());
let _ = self.zcash_serialize(&mut bytes);
- let mut hrp = "";
+ let hrp;
match network {
Network::Mainnet => hrp = human_readable_parts::MAINNET,
