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cmp: rm TotalOrd impl code duplication
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@ -45,62 +45,31 @@ pub trait TotalOrd {
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fn cmp(&self, other: &Self) -> Ordering;
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}
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#[inline(always)]
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fn icmp<T: Ord>(a: &T, b: &T) -> Ordering {
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if *a < *b { Less }
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else if *a > *b { Greater }
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else { Equal }
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}
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macro_rules! totalord_impl(
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($t:ty) => {
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impl TotalOrd for $t {
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#[inline(always)]
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fn cmp(&self, other: &$t) -> Ordering {
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if *self < *other { Less }
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else if *self > *other { Greater }
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else { Equal }
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}
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}
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}
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)
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impl TotalOrd for u8 {
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#[inline(always)]
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fn cmp(&self, other: &u8) -> Ordering { icmp(self, other) }
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}
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totalord_impl!(u8)
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totalord_impl!(u16)
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totalord_impl!(u32)
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totalord_impl!(u64)
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impl TotalOrd for u16 {
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#[inline(always)]
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fn cmp(&self, other: &u16) -> Ordering { icmp(self, other) }
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}
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totalord_impl!(i8)
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totalord_impl!(i16)
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totalord_impl!(i32)
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totalord_impl!(i64)
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impl TotalOrd for u32 {
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#[inline(always)]
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fn cmp(&self, other: &u32) -> Ordering { icmp(self, other) }
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}
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impl TotalOrd for u64 {
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#[inline(always)]
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fn cmp(&self, other: &u64) -> Ordering { icmp(self, other) }
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}
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impl TotalOrd for i8 {
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#[inline(always)]
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fn cmp(&self, other: &i8) -> Ordering { icmp(self, other) }
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}
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impl TotalOrd for i16 {
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#[inline(always)]
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fn cmp(&self, other: &i16) -> Ordering { icmp(self, other) }
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}
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impl TotalOrd for i32 {
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#[inline(always)]
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fn cmp(&self, other: &i32) -> Ordering { icmp(self, other) }
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}
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impl TotalOrd for i64 {
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#[inline(always)]
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fn cmp(&self, other: &i64) -> Ordering { icmp(self, other) }
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}
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impl TotalOrd for int {
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#[inline(always)]
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fn cmp(&self, other: &int) -> Ordering { icmp(self, other) }
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}
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impl TotalOrd for uint {
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#[inline(always)]
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fn cmp(&self, other: &uint) -> Ordering { icmp(self, other) }
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}
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totalord_impl!(int)
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totalord_impl!(uint)
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/**
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* Trait for values that can be compared for a sort-order.
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