From e6a4a3772e7263cebd8e0f38ec08f5b3a9958f7b Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Thu, 6 Jul 2023 16:10:21 -0700
Subject: [PATCH] Delete unuseful RangeFull impls

---
 serde/src/de/impls.rs  | 34 ----------------------------------
 serde/src/lib.rs       |  2 +-
 serde/src/ser/impls.rs | 11 -----------
 3 files changed, 1 insertion(+), 46 deletions(-)

diff --git a/serde/src/de/impls.rs b/serde/src/de/impls.rs
index abf723482..e0f6b60b0 100644
--- a/serde/src/de/impls.rs
+++ b/serde/src/de/impls.rs
@@ -2708,40 +2708,6 @@ mod range_to {
 
 ////////////////////////////////////////////////////////////////////////////////
 
-// Similar to:
-//
-//     #[derive(Deserialize)]
-//     #[serde(deny_unknown_fields)]
-//     struct RangeFull;
-impl<'de> Deserialize<'de> for RangeFull {
-    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
-    where
-        D: Deserializer<'de>,
-    {
-        deserializer.deserialize_unit_struct("RangeFull", RangeFullVisitor)
-    }
-}
-
-struct RangeFullVisitor;
-
-impl<'de> Visitor<'de> for RangeFullVisitor {
-    type Value = RangeFull;
-
-    fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
-        formatter.write_str("unit")
-    }
-
-    #[inline]
-    fn visit_unit<E>(self) -> Result<Self::Value, E>
-    where
-        E: Error,
-    {
-        Ok(..)
-    }
-}
-
-////////////////////////////////////////////////////////////////////////////////
-
 #[cfg(any(not(no_ops_bound), all(feature = "std", not(no_collections_bound))))]
 impl<'de, T> Deserialize<'de> for Bound<T>
 where
diff --git a/serde/src/lib.rs b/serde/src/lib.rs
index 8956d0017..b2e10f799 100644
--- a/serde/src/lib.rs
+++ b/serde/src/lib.rs
@@ -180,7 +180,7 @@ mod lib {
     pub use self::core::fmt::{self, Debug, Display};
     pub use self::core::marker::{self, PhantomData};
     pub use self::core::num::Wrapping;
-    pub use self::core::ops::{Range, RangeFrom, RangeFull, RangeTo};
+    pub use self::core::ops::{Range, RangeFrom, RangeTo};
     pub use self::core::option::{self, Option};
     pub use self::core::result::{self, Result};
 
diff --git a/serde/src/ser/impls.rs b/serde/src/ser/impls.rs
index b03c3bb43..9cafb3264 100644
--- a/serde/src/ser/impls.rs
+++ b/serde/src/ser/impls.rs
@@ -274,17 +274,6 @@ where
 
 ////////////////////////////////////////////////////////////////////////////////
 
-impl Serialize for RangeFull {
-    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
-    where
-        S: Serializer,
-    {
-        serializer.serialize_unit_struct("RangeFull")
-    }
-}
-
-////////////////////////////////////////////////////////////////////////////////
-
 #[cfg(not(no_range_inclusive))]
 impl<Idx> Serialize for RangeInclusive<Idx>
 where