github.com/erda-project/erda-infra@v1.0.10-0.20240327085753-f3a249292aeb/pkg/set/set.go (about)

     1  // Copyright (c) 2021 Terminus, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package set
    16  
    17  // Set defined set func, Set is used to store a collection of unique elements.
    18  type Set interface {
    19  
    20  	// Add element to set
    21  	Add(e interface{}) bool
    22  	// Remove remove element to set
    23  	Remove(e interface{})
    24  	// Contains Judge whether the set contains the specified elements, if anyone does not contain, return false, otherwise return true
    25  	Contains(e ...interface{}) bool
    26  	// Clear remove all from set
    27  	Clear()
    28  	// Len return the number of element
    29  	Len() int
    30  }
    31  
    32  // NewSet Initialize a set
    33  func NewSet(e ...interface{}) Set {
    34  	set := newSet()
    35  	for _, item := range e {
    36  		set.Add(item)
    37  	}
    38  	return set
    39  }