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update util/sets to use standard package cmp

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This commit is contained in:
xiegangpeng 2023-11-06 10:59:46 +08:00
parent 24e6b03780
commit c26bb7eb85
2 changed files with 4 additions and 56 deletions
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53
staging/src/k8s.io/apimachinery/pkg/util/sets/ordered.go
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@ -1,53 +0,0 @@
/*
Copyright 2022 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package sets
// ordered is a constraint that permits any ordered type: any type
// that supports the operators < <= >= >.
// If future releases of Go add new ordered types,
// this constraint will be modified to include them.
type ordered interface {
integer | float | ~string
}
// integer is a constraint that permits any integer type.
// If future releases of Go add new predeclared integer types,
// this constraint will be modified to include them.
type integer interface {
signed | unsigned
}
// float is a constraint that permits any floating-point type.
// If future releases of Go add new predeclared floating-point types,
// this constraint will be modified to include them.
type float interface {
~float32 | ~float64
}
// signed is a constraint that permits any signed integer type.
// If future releases of Go add new predeclared signed integer types,
// this constraint will be modified to include them.
type signed interface {
~int | ~int8 | ~int16 | ~int32 | ~int64
}
// unsigned is a constraint that permits any unsigned integer type.
// If future releases of Go add new predeclared unsigned integer types,
// this constraint will be modified to include them.
type unsigned interface {
~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr
}

7
staging/src/k8s.io/apimachinery/pkg/util/sets/set.go
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@ -17,6 +17,7 @@ limitations under the License.
package sets
import (
"cmp"
"sort"
)
@ -193,7 +194,7 @@ func (s1 Set[T]) Equal(s2 Set[T]) bool {
return len(s1) == len(s2) && s1.IsSuperset(s2)
}
type sortableSliceOfGeneric[T ordered] []T
type sortableSliceOfGeneric[T cmp.Ordered] []T
func (g sortableSliceOfGeneric[T]) Len() int { return len(g) }
func (g sortableSliceOfGeneric[T]) Less(i, j int) bool { return less[T](g[i], g[j]) }
@ -203,7 +204,7 @@ func (g sortableSliceOfGeneric[T]) Swap(i, j int) { g[i], g[j] = g[j], g[i]
//
// This is a separate function and not a method because not all types supported
// by Generic are ordered and only those can be sorted.
func List[T ordered](s Set[T]) []T {
func List[T cmp.Ordered](s Set[T]) []T {
res := make(sortableSliceOfGeneric[T], 0, len(s))
for key := range s {
res = append(res, key)
@ -236,6 +237,6 @@ func (s Set[T]) Len() int {
return len(s)
}
func less[T ordered](lhs, rhs T) bool {
func less[T cmp.Ordered](lhs, rhs T) bool {
return lhs < rhs
}