From beb44b77a8f76cd7392ef0abd770ff99569df28e Mon Sep 17 00:00:00 2001
From: Bruce Mitchener <bruce.mitchener@gmail.com>
Date: Tue, 28 May 2024 23:11:16 +0700
Subject: [PATCH] Remove unused `RefWithCost`

This was brought over from `ncollide` and was unused at the time.

This code generates warnings in nightly builds due to being dead.
---
 src/utils/mod.rs           |  1 -
 src/utils/ref_with_cost.rs | 40 --------------------------------------
 2 files changed, 41 deletions(-)
 delete mode 100644 src/utils/ref_with_cost.rs

diff --git a/src/utils/mod.rs b/src/utils/mod.rs
index ce43163a..afed2c31 100644
--- a/src/utils/mod.rs
+++ b/src/utils/mod.rs
@@ -55,7 +55,6 @@ mod point_cloud_support_point;
 mod point_in_poly2d;
 #[cfg(feature = "dim2")]
 pub mod point_in_triangle;
-mod ref_with_cost;
 mod sdp_matrix;
 mod segments_intersection;
 mod sort;
diff --git a/src/utils/ref_with_cost.rs b/src/utils/ref_with_cost.rs
deleted file mode 100644
index cf65480d..00000000
--- a/src/utils/ref_with_cost.rs
+++ /dev/null
@@ -1,40 +0,0 @@
-//! A reference packed with a cost value.
-
-use std::cmp::Ordering;
-
-/// A reference packed with a cost value.
-pub struct RefWithCost<'a, Real, T: 'a> {
-    /// The reference to an object.
-    pub object: &'a T,
-    /// The cost of the object.
-    pub cost: Real,
-}
-
-impl<'a, Real: PartialEq, T> PartialEq for RefWithCost<'a, Real, T> {
-    #[inline]
-    fn eq(&self, other: &RefWithCost<'a, Real, T>) -> bool {
-        self.cost.eq(&other.cost)
-    }
-}
-
-impl<'a, Real: PartialEq, T> Eq for RefWithCost<'a, Real, T> {}
-
-impl<'a, Real: PartialOrd, T> PartialOrd for RefWithCost<'a, Real, T> {
-    #[inline]
-    fn partial_cmp(&self, other: &RefWithCost<'a, Real, T>) -> Option<Ordering> {
-        Some(self.cmp(other))
-    }
-}
-
-impl<'a, Real: PartialOrd, T> Ord for RefWithCost<'a, Real, T> {
-    #[inline]
-    fn cmp(&self, other: &RefWithCost<'a, Real, T>) -> Ordering {
-        if self.cost < other.cost {
-            Ordering::Less
-        } else if self.cost > other.cost {
-            Ordering::Greater
-        } else {
-            Ordering::Equal
-        }
-    }
-}