From d86517ae4fa70fbdcc792518c3fce88396ac9e4c Mon Sep 17 00:00:00 2001
From: "Tobin C. Harding" <me@tobin.cc>
Date: Fri, 2 Jun 2023 14:48:22 +1000
Subject: [PATCH] taproot: Use error variants locally

Add 'use Error::*' locally to make the code more terse.
---
 bitcoin/src/crypto/taproot.rs | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/bitcoin/src/crypto/taproot.rs b/bitcoin/src/crypto/taproot.rs
index ffb34c63..96067bee 100644
--- a/bitcoin/src/crypto/taproot.rs
+++ b/bitcoin/src/crypto/taproot.rs
@@ -73,12 +73,13 @@ pub enum Error {
 
 impl fmt::Display for Error {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        use Error::*;
+
         match *self {
-            Error::InvalidSighashType(hash_ty) =>
-                write!(f, "invalid signature hash type {}", hash_ty),
-            Error::Secp256k1(ref e) =>
+            InvalidSighashType(hash_ty) => write!(f, "invalid signature hash type {}", hash_ty),
+            Secp256k1(ref e) =>
                 write_err!(f, "taproot signature has correct len but is malformed"; e),
-            Error::InvalidSignatureSize(sz) => write!(f, "invalid taproot signature size: {}", sz),
+            InvalidSignatureSize(sz) => write!(f, "invalid taproot signature size: {}", sz),
         }
     }
 }
@@ -86,7 +87,7 @@ impl fmt::Display for Error {
 #[cfg(feature = "std")]
 impl std::error::Error for Error {
     fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
-        use self::Error::*;
+        use Error::*;
 
         match self {
             Secp256k1(e) => Some(e),