From e37680af96f20d4995e918d84789f5f7d9aa4054 Mon Sep 17 00:00:00 2001
From: Steve Myers <steve@notmandatory.org>
Date: Thu, 8 Apr 2021 13:37:59 -0700
Subject: [PATCH] Use .flatten() instead of .filter_map(|x| x), clippy warning

https://rust-lang.github.io/rust-clippy/master/index.html#filter_map_identity
---
 src/descriptor/policy.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/descriptor/policy.rs b/src/descriptor/policy.rs
index c8df81f5..f387fea8 100644
--- a/src/descriptor/policy.rs
+++ b/src/descriptor/policy.rs
@@ -870,7 +870,7 @@ impl<Ctx: ScriptContext> ExtractPolicy for Miniscript<DescriptorPublicKey, Ctx>
                     .map(|n| n.extract_policy(signers, secp))
                     .collect::<Result<Vec<_>, _>>()?
                     .into_iter()
-                    .filter_map(|x| x)
+                    .flatten()
                     .collect();
 
                 if mapped.len() < nodes.len() {