From 0a19710906f35477a486f1f717b8c64da5c1e18c Mon Sep 17 00:00:00 2001
From: "Tobin C. Harding" <me@tobin.cc>
Date: Thu, 21 Apr 2022 11:12:23 +1000
Subject: [PATCH] Use vec! macro instead of new followed by push

No need to manually create a vector and push each element, just use the
`vec![]` macro.
---
 src/blockdata/transaction.rs | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/src/blockdata/transaction.rs b/src/blockdata/transaction.rs
index d4cd54d6..47e56234 100644
--- a/src/blockdata/transaction.rs
+++ b/src/blockdata/transaction.rs
@@ -1208,18 +1208,13 @@ mod tests {
     #[test]
     fn sighash_single_bug() {
         const SIGHASH_SINGLE: u32 = 3;
-        // We need a tx with more inputs than outputs.
-        let mut input = Vec::new();
-        input.push(TxIn::default());
-        input.push(TxIn::default());
-        let mut output = Vec::new();
-        output.push(TxOut::default());
 
+        // We need a tx with more inputs than outputs.
         let tx = Transaction {
             version: 1,
             lock_time: 0,
-            input: input,
-            output: output,   // TODO: Use Vec::from([TxOut]) once we bump MSRV.
+            input: vec![TxIn::default(), TxIn::default()],
+            output: vec![TxOut::default()],
         };
         let script = Script::new();
         let got = tx.signature_hash(1, &script, SIGHASH_SINGLE);