Put && operator at front of line

In an effort to make code containing multi-line logical AND clearer to
read put the operator at the start of the line.

Author: tcharding

src/blockdata/block.rs

@@ -195,8 +195,8 @@ impl Block {
                 // commitment is in the last output that starts with below magic
                 if let Some(pos) = coinbase.output.iter()
                     .rposition(|o| {
-                        o.script_pubkey.len () >= 38 &&
-                        o.script_pubkey[0..6] == [0x6a, 0x24, 0xaa, 0x21, 0xa9, 0xed] }) {
+                        o.script_pubkey.len () >= 38
+                            && o.script_pubkey[0..6] == [0x6a, 0x24, 0xaa, 0x21, 0xa9, 0xed] }) {
                     let commitment = WitnessCommitment::from_slice(&coinbase.output[pos].script_pubkey.as_bytes()[6..38]).unwrap();
                     // witness reserved value is in coinbase input witness
                     let witness_vec: Vec<_> = coinbase.input[0].witness.iter().collect();

src/blockdata/script.rs

@@ -420,21 +420,21 @@ impl Script {
     /// Checks whether a script pubkey is a p2sh output
     #[inline]
     pub fn is_p2sh(&self) -> bool {
-        self.0.len() == 23 &&
-        self.0[0] == opcodes::all::OP_HASH160.into_u8() &&
-        self.0[1] == opcodes::all::OP_PUSHBYTES_20.into_u8() &&
-        self.0[22] == opcodes::all::OP_EQUAL.into_u8()
+        self.0.len() == 23
+            && self.0[0] == opcodes::all::OP_HASH160.into_u8()
+            && self.0[1] == opcodes::all::OP_PUSHBYTES_20.into_u8()
+            && self.0[22] == opcodes::all::OP_EQUAL.into_u8()
     }
 
     /// Checks whether a script pubkey is a p2pkh output
     #[inline]
     pub fn is_p2pkh(&self) -> bool {
-        self.0.len() == 25 &&
-        self.0[0] == opcodes::all::OP_DUP.into_u8() &&
-        self.0[1] == opcodes::all::OP_HASH160.into_u8() &&
-        self.0[2] == opcodes::all::OP_PUSHBYTES_20.into_u8() &&
-        self.0[23] == opcodes::all::OP_EQUALVERIFY.into_u8() &&
-        self.0[24] == opcodes::all::OP_CHECKSIG.into_u8()
+        self.0.len() == 25
+            && self.0[0] == opcodes::all::OP_DUP.into_u8()
+            && self.0[1] == opcodes::all::OP_HASH160.into_u8()
+            && self.0[2] == opcodes::all::OP_PUSHBYTES_20.into_u8()
+            && self.0[23] == opcodes::all::OP_EQUALVERIFY.into_u8()
+            && self.0[24] == opcodes::all::OP_CHECKSIG.into_u8()
     }
 
     /// Checks whether a script pubkey is a p2pk output
@@ -476,25 +476,25 @@ impl Script {
     /// Checks whether a script pubkey is a p2wsh output
     #[inline]
     pub fn is_v0_p2wsh(&self) -> bool {
-        self.0.len() == 34 &&
-            self.witness_version() == Some(WitnessVersion::V0) &&
-            self.0[1] == opcodes::all::OP_PUSHBYTES_32.into_u8()
+        self.0.len() == 34
+            && self.witness_version() == Some(WitnessVersion::V0)
+            && self.0[1] == opcodes::all::OP_PUSHBYTES_32.into_u8()
     }
 
     /// Checks whether a script pubkey is a p2wpkh output
     #[inline]
     pub fn is_v0_p2wpkh(&self) -> bool {
-        self.0.len() == 22 &&
-            self.witness_version() == Some(WitnessVersion::V0) &&
-            self.0[1] == opcodes::all::OP_PUSHBYTES_20.into_u8()
+        self.0.len() == 22
+            && self.witness_version() == Some(WitnessVersion::V0)
+            && self.0[1] == opcodes::all::OP_PUSHBYTES_20.into_u8()
     }
 
     /// Checks whether a script pubkey is a P2TR output
     #[inline]
     pub fn is_v1_p2tr(&self) -> bool {
-        self.0.len() == 34 &&
-            self.witness_version() == Some(WitnessVersion::V1) &&
-            self.0[1] == opcodes::all::OP_PUSHBYTES_32.into_u8()
+        self.0.len() == 34
+            && self.witness_version() == Some(WitnessVersion::V1)
+            && self.0[1] == opcodes::all::OP_PUSHBYTES_32.into_u8()
     }
 
     /// Check if this is an OP_RETURN output