From 62ccc9102cd3b2497cfe475bd33ab6acc73e2099 Mon Sep 17 00:00:00 2001
From: "Tobin C. Harding" <me@tobin.cc>
Date: Wed, 25 May 2022 13:36:51 +1000
Subject: [PATCH] Use iter().flatten().any() instead of if let Some

Clippy emits:

  warning: unnecessary `if let` since only the `Some` variant of the
  iterator element is used

Use combinator chain `iter().flatten().any()` to check for an node with
hidden nodes.
---
 src/util/taproot.rs | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/src/util/taproot.rs b/src/util/taproot.rs
index 3e7a02c7..2bd2a24b 100644
--- a/src/util/taproot.rs
+++ b/src/util/taproot.rs
@@ -442,14 +442,7 @@ impl TaprootBuilder {
 
     /// Checks if the builder has hidden nodes.
     pub fn has_hidden_nodes(&self) -> bool {
-        for node in &self.branch {
-            if let Some(node) = node {
-                if node.has_hidden_nodes {
-                    return true
-                }
-            }
-        }
-        false
+        self.branch.iter().flatten().any(|node| node.has_hidden_nodes)
     }
 
     /// Creates a [`TaprootSpendInfo`] with the given internal key.