Merging upstream version 1.70.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2 insertions, 6 deletions

diff --git a/vendor/syn/src/ext.rs b/vendor/syn/src/ext.rs
index 98d5550f4..9ee567251 100644
--- a/vendor/syn/src/ext.rs
+++ b/vendor/syn/src/ext.rs
@@ -1,6 +1,4 @@
 //! Extension traits to provide parsing methods on foreign types.
-//!
-//! *This module is available only if Syn is built with the `"parsing"` feature.*
 
 use crate::buffer::Cursor;
 use crate::parse::Peek;
@@ -13,8 +11,6 @@ use proc_macro2::Ident;
 ///
 /// This trait is sealed and cannot be implemented for types outside of Syn. It
 /// is implemented only for `proc_macro2::Ident`.
-///
-/// *This trait is available only if Syn is built with the `"parsing"` feature.*
 pub trait IdentExt: Sized + private::Sealed {
     /// Parses any identifier including keywords.
     ///
@@ -96,8 +92,8 @@ impl IdentExt for Ident {
 
     fn unraw(&self) -> Ident {
         let string = self.to_string();
-        if string.starts_with("r#") {
-            Ident::new(&string[2..], self.span())
+        if let Some(string) = string.strip_prefix("r#") {
+            Ident::new(string, self.span())
         } else {
             self.clone()
         }