Merge from rustc

2 files changed, 13 insertions, 9 deletions

diff --git a/compiler/rustc_span/src/edition.rs b/compiler/rustc_span/src/edition.rs
index f16db69aae2..608b8c24bde 100644
--- a/compiler/rustc_span/src/edition.rs
+++ b/compiler/rustc_span/src/edition.rs
@@ -82,17 +82,17 @@ impl Edition {
     }
 
     /// Are we allowed to use features from the Rust 2018 edition?
-    pub fn rust_2018(self) -> bool {
+    pub fn at_least_rust_2018(self) -> bool {
         self >= Edition::Edition2018
     }
 
     /// Are we allowed to use features from the Rust 2021 edition?
-    pub fn rust_2021(self) -> bool {
+    pub fn at_least_rust_2021(self) -> bool {
         self >= Edition::Edition2021
     }
 
     /// Are we allowed to use features from the Rust 2024 edition?
-    pub fn rust_2024(self) -> bool {
+    pub fn at_least_rust_2024(self) -> bool {
         self >= Edition::Edition2024
     }
 }
diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs
index 5c56337d1e0..ecaa82874a3 100644
--- a/compiler/rustc_span/src/lib.rs
+++ b/compiler/rustc_span/src/lib.rs
@@ -707,24 +707,28 @@ impl Span {
         self.ctxt().edition()
     }
 
+    /// Is this edition 2015?
     #[inline]
     pub fn is_rust_2015(self) -> bool {
         self.edition().is_rust_2015()
     }
 
+    /// Are we allowed to use features from the Rust 2018 edition?
     #[inline]
-    pub fn rust_2018(self) -> bool {
-        self.edition().rust_2018()
+    pub fn at_least_rust_2018(self) -> bool {
+        self.edition().at_least_rust_2018()
     }
 
+    /// Are we allowed to use features from the Rust 2021 edition?
     #[inline]
-    pub fn rust_2021(self) -> bool {
-        self.edition().rust_2021()
+    pub fn at_least_rust_2021(self) -> bool {
+        self.edition().at_least_rust_2021()
     }
 
+    /// Are we allowed to use features from the Rust 2024 edition?
     #[inline]
-    pub fn rust_2024(self) -> bool {
-        self.edition().rust_2024()
+    pub fn at_least_rust_2024(self) -> bool {
+        self.edition().at_least_rust_2024()
     }
 
     /// Returns the source callee.