coze-studio/backend/pkg/lang/sets/sets.go

43 lines
1.0 KiB
Go

/*
* Copyright 2025 coze-dev 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
type Set[T comparable] map[T]struct{}
func FromSlice[T comparable](s []T) Set[T] {
set := make(Set[T], len(s))
for _, elem := range s {
cpElem := elem
set[cpElem] = struct{}{}
}
return set
}
func (s Set[T]) ToSlice() []T {
sl := make([]T, 0, len(s))
for elem := range s {
cpElem := elem
sl = append(sl, cpElem)
}
return sl
}
func (s Set[T]) Contains(elem T) bool {
_, ok := s[elem]
return ok
}