mirror of https://github.com/kubernetes/kops.git
34 lines
1.1 KiB
Go
34 lines
1.1 KiB
Go
//go:build !go1.21
|
|
|
|
/*
|
|
Copyright 2023 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 set
|
|
|
|
// Clear empties the set.
|
|
// It is preferable to replace the set with a newly constructed set,
|
|
// but not all callers can do that (when there are other references to the map).
|
|
// In some cases the set *won't* be fully cleared, e.g. a Set[float32] containing NaN
|
|
// can't be cleared because NaN can't be removed.
|
|
// For sets containing items of a type that is reflexive for ==,
|
|
// this is optimized to a single call to runtime.mapclear().
|
|
func (s Set[T]) Clear() Set[T] {
|
|
for key := range s {
|
|
delete(s, key)
|
|
}
|
|
return s
|
|
}
|