From 9e32a34bbd081b0e453e7515b322047ca48d1e61 Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Fri, 14 Jul 2023 22:17:17 -0700
Subject: [PATCH] Implement Spanned for QSelf

---
 src/path.rs    | 21 +++++++++++++++++++++
 src/spanned.rs |  3 +++
 2 files changed, 24 insertions(+)

diff --git a/src/path.rs b/src/path.rs
index f8b3cc9dff..2d57b71383 100644
--- a/src/path.rs
+++ b/src/path.rs
@@ -648,6 +648,10 @@ pub(crate) mod parsing {
 pub(crate) mod printing {
     use super::*;
     use crate::print::TokensOrDefault;
+    #[cfg(feature = "parsing")]
+    use crate::spanned::Spanned;
+    #[cfg(feature = "parsing")]
+    use proc_macro2::Span;
     use proc_macro2::TokenStream;
     use quote::ToTokens;
     use std::cmp;
@@ -836,4 +840,21 @@ pub(crate) mod printing {
             segment.to_tokens(tokens);
         }
     }
+
+    #[cfg(feature = "parsing")]
+    #[cfg_attr(doc_cfg, doc(cfg(all(feature = "parsing", feature = "printing"))))]
+    impl Spanned for QSelf {
+        fn span(&self) -> Span {
+            struct QSelfDelimiters<'a>(&'a QSelf);
+
+            impl<'a> ToTokens for QSelfDelimiters<'a> {
+                fn to_tokens(&self, tokens: &mut TokenStream) {
+                    self.0.lt_token.to_tokens(tokens);
+                    self.0.gt_token.to_tokens(tokens);
+                }
+            }
+
+            QSelfDelimiters(self).span()
+        }
+    }
 }
diff --git a/src/spanned.rs b/src/spanned.rs
index 7e101d264c..98aa0aa1e7 100644
--- a/src/spanned.rs
+++ b/src/spanned.rs
@@ -112,4 +112,7 @@ mod private {
 
     pub trait Sealed {}
     impl<T: ?Sized + ToTokens> Sealed for T {}
+
+    #[cfg(any(feature = "full", feature = "derive"))]
+    impl Sealed for crate::QSelf {}
 }