From 9047722838e4352d2a2af1125d1693b1900d3d5e Mon Sep 17 00:00:00 2001
From: LEXUGE <lexuge3yky@gmail.com>
Date: Thu, 5 Apr 2018 19:21:51 +0800
Subject: [PATCH] Update checked.rs

---
 src/ops/checked.rs | 28 ----------------------------
 1 file changed, 28 deletions(-)

diff --git a/src/ops/checked.rs b/src/ops/checked.rs
index 5e6bb96..a0feca3 100644
--- a/src/ops/checked.rs
+++ b/src/ops/checked.rs
@@ -107,34 +107,6 @@ checked_impl!(CheckedRem, checked_rem, i32);
 checked_impl!(CheckedRem, checked_rem, i64);
 checked_impl!(CheckedRem, checked_rem, isize);
 
-macro_rules! checked_abs_impl {
-    ($t:ty) => {
-        impl CheckedAbs for $t {
-            #[inline]
-            fn checked_abs(self) -> Option<$t> {
-                <$t>::checked_abs(self)
-            }
-        }
-    }
-}
-
-// CheckedAbs
-pub trait CheckedAbs: Sized {
-    fn checked_abs(self) -> Option<i32>;
-}
-
-checked_abs_impl!(u8);
-checked_abs_impl!(u16);
-checked_abs_impl!(u32);
-checked_abs_impl!(u64);
-checked_abs_impl!(usize);
-
-checked_abs_impl!(i8);
-checked_abs_impl!(i16);
-checked_abs_impl!(i32);
-checked_abs_impl!(i64);
-checked_abs_impl!(isize);
-
 /// Performs a left shift that returns `None` on overflow.
 pub trait CheckedShl: Sized + Shl<u32, Output=Self> {
     /// Shifts a number to the left, checking for overflow. If overflow happens,