From 58cbb932130367bfee25565d0e8aacb7baf8c09b Mon Sep 17 00:00:00 2001
From: "@brody4hire - C. Jonathan Brody" <brody4hire@brodycj.com>
Date: Wed, 29 Jan 2025 19:46:18 -0500
Subject: [PATCH] add blank lines & returned output type comment to
 MapErrWithSpan

---
 naga/src/span.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/naga/src/span.rs b/naga/src/span.rs
index dafc78dc40..2a5538b421 100644
--- a/naga/src/span.rs
+++ b/naga/src/span.rs
@@ -383,7 +383,9 @@ impl<T> SpanProvider<T> for UniqueArena<T> {
 /// Convenience trait for [`Result`], adding a [`MapErrWithSpan::map_err_inner`]
 /// mapping to [`WithSpan::and_then`].
 pub trait MapErrWithSpan<E, E2>: Sized {
+    /// The returned output type.
     type Output: Sized;
+
     fn map_err_inner<F, E3>(self, func: F) -> Self::Output
     where
         F: FnOnce(E) -> WithSpan<E3>,
@@ -392,6 +394,7 @@ pub trait MapErrWithSpan<E, E2>: Sized {
 
 impl<T, E, E2> MapErrWithSpan<E, E2> for Result<T, WithSpan<E>> {
     type Output = Result<T, WithSpan<E2>>;
+
     fn map_err_inner<F, E3>(self, func: F) -> Result<T, WithSpan<E2>>
     where
         F: FnOnce(E) -> WithSpan<E3>,