github.com/eframework-cn/EP.GO.UTIL@v1.0.0/xcollect/generic.txt (about)

     1  //-----------------------------------------------------------------------//
     2  //                     GNU GENERAL PUBLIC LICENSE                        //
     3  //                        Version 2, June 1991                           //
     4  //                                                                       //
     5  // Copyright (C) EFramework, https://eframework.cn, All rights reserved. //
     6  // Everyone is permitted to copy and distribute verbatim copies          //
     7  // of this license document, but changing it is not allowed.             //
     8  //                   SEE LICENSE.md FOR MORE DETAILS.                    //
     9  //-----------------------------------------------------------------------//
    10  
    11  package xcollect
    12  
    13  // 从数组中索引元素，ele为元素
    14  func IndexFor[T byte | uint16 | uint32 | uint64 |
    15  	int | int8 | int16 | int32 | int64 |
    16  	float32 | float64 | string](arr []T, ele T) int {
    17  	if arr != nil {
    18  		for k, v := range arr {
    19  			if v == ele {
    20  				return k
    21  			}
    22  		}
    23  	}
    24  	return -1
    25  }
    26  
    27  // 判断数组是否存在元素，ele为元素
    28  func ContainsFor[T byte | uint16 | uint32 | uint64 |
    29  	int | int8 | int16 | int32 | int64 |
    30  	float32 | float64 | string](arr []T, ele T) bool {
    31  	if arr != nil {
    32  		return IndexFor(arr, ele) >= 0
    33  	}
    34  	return false
    35  }
    36  
    37  // 从数组中移除元素，ele为元素
    38  func RemoveFor[T byte | uint16 | uint32 | uint64 |
    39  	int | int8 | int16 | int32 | int64 |
    40  	float32 | float64 | string](arr []T, ele T) []T {
    41  	if arr != nil {
    42  		for {
    43  			idx := IndexFor(arr, ele)
    44  			if idx >= 0 {
    45  				arr = append(arr[:idx], arr[idx+1:]...)
    46  			} else {
    47  				break
    48  			}
    49  		}
    50  	}
    51  	return arr
    52  }
    53  
    54  // 从数组中移除元素，ele为索引
    55  func DeleteFor[T byte | uint16 | uint32 | uint64 |
    56  	int | int8 | int16 | int32 | int64 |
    57  	float32 | float64 | string](arr []T, ele int) []T {
    58  	if arr != nil {
    59  		if ele < len(arr) {
    60  			arr = append(arr[:ele], arr[ele+1:]...)
    61  		}
    62  	}
    63  	return arr
    64  }
    65  
    66  // 在数组中新增元素，ele为元素
    67  func AppendFor[T byte | uint16 | uint32 | uint64 |
    68  	int | int8 | int16 | int32 | int64 |
    69  	float32 | float64 | string](arr []T, ele T) []T {
    70  	return append(arr, ele)
    71  }