From 2057c354685e89cce4a273160eb7c69063b02cae Mon Sep 17 00:00:00 2001
From: Tobin Harding <me@tobin.cc>
Date: Mon, 21 Dec 2020 20:09:45 +1100
Subject: [PATCH] Use ! is_empty instead of len > 0

As directed by clippy use `!a.is_empty()` instead of `a.len() > 0`.
---
 testutils/src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/testutils/src/lib.rs b/testutils/src/lib.rs
index c60573e2..3a0e5b63 100644
--- a/testutils/src/lib.rs
+++ b/testutils/src/lib.rs
@@ -349,7 +349,7 @@ impl TestClient {
 
     pub fn receive(&mut self, meta_tx: TestIncomingTx) -> Txid {
         assert!(
-            meta_tx.output.len() > 0,
+            !meta_tx.output.is_empty(),
             "can't create a transaction with no outputs"
         );