From fb81bff61f7a447168932fd7e69b7067cc299d16 Mon Sep 17 00:00:00 2001
From: "Tobin C. Harding" <me@tobin.cc>
Date: Wed, 24 Jan 2024 13:31:57 +1100
Subject: [PATCH] Add a from impl for ParseIntError

As is customary add a `From` impl for the `ParseIntError` and use `?`.
While this does not make much difference it saves devs wondering why
there is a `From` impl for one of the variants and not the other.
---
 bitcoin/src/blockdata/script/witness_version.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/bitcoin/src/blockdata/script/witness_version.rs b/bitcoin/src/blockdata/script/witness_version.rs
index 6897631f..05ee2846 100644
--- a/bitcoin/src/blockdata/script/witness_version.rs
+++ b/bitcoin/src/blockdata/script/witness_version.rs
@@ -87,7 +87,7 @@ impl FromStr for WitnessVersion {
     type Err = FromStrError;
 
     fn from_str(s: &str) -> Result<Self, Self::Err> {
-        let version: u8 = crate::parse::int(s).map_err(FromStrError::Unparsable)?;
+        let version: u8 = crate::parse::int(s)?;
         Ok(WitnessVersion::try_from(version)?)
     }
 }
@@ -198,6 +198,10 @@ impl std::error::Error for FromStrError {
     }
 }
 
+impl From<ParseIntError> for FromStrError {
+    fn from(e: ParseIntError) -> Self { Self::Unparsable(e) }
+}
+
 impl From<TryFromError> for FromStrError {
     fn from(e: TryFromError) -> Self { Self::Invalid(e) }
 }