refactor: restore bound map with cfg (#445)

Signed-off-by: MrCroxx <mrcroxx@outlook.com>
MrCroxx · Apr 28, 2024 · 7cac4a7 · 7cac4a7
1 parent 44a10ef
commit 7cac4a7
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diff --git a/foyer-common/Cargo.toml b/foyer-common/Cargo.toml
@@ -19,6 +19,7 @@ hashbrown = "0.14"
 itertools = "0.12"
 nix = { version = "0.28", features = ["fs"] }
 parking_lot = { version = "0.12", features = ["arc_lock"] }
+rustversion = "1.0"
 serde = { workspace = true }
 tokio = { workspace = true }
 

diff --git a/foyer-common/src/range.rs b/foyer-common/src/range.rs
@@ -103,13 +103,13 @@ pub trait RangeBoundsExt<
         self.start_bound() == Bound::Unbounded && self.end_bound() == Bound::Unbounded
     }
 
-    // TODO(Mrcroxx): Restore me after increase MSRV to 1.77.2
-    // fn map<F, R>(&self, f: F) -> (Bound<R>, Bound<R>)
-    // where
-    //     F: Fn(&T) -> R,
-    // {
-    //     (self.start_bound().map(&f), self.end_bound().map(&f))
-    // }
+    #[rustversion::since(1.77.2)]
+    fn map<F, R>(&self, f: F) -> (Bound<R>, Bound<R>)
+    where
+        F: Fn(&T) -> R,
+    {
+        (self.start_bound().map(&f), self.end_bound().map(&f))
+    }
 }
 
 impl<