mirror of
https://github.com/duke-git/lancet.git
synced 2026-02-08 14:42:27 +08:00
rename: rename InsertByIndex -> InsertAt, UpdateByIndex -> UpdateAt, DeleteByIndex -> DeleteAt for release 2.0
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@@ -440,7 +440,7 @@ func Concat[T any](slice []T, values ...[]T) []T //creates a new slice concatena
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func Difference[T comparable](slice1, slice2 []T) []T //creates an slice of whose element not included in the other given slice
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func DifferenceBy[T any](slice []T, comparedSlice []T, iteratee func(index int, t T) T) []T //it accepts iteratee which is invoked for each element of slice and values to generate the criterion by which they're compared.
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func DifferenceWith[T any](slice []T, comparedSlice []T, comparator func(value, otherValue T) bool) []T //accepts comparator which is invoked to compare elements of slice to values. The order and references of result values are determined by the first slice.
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func DeleteByIndex[T any](slice []T, start int, end ...int) []T //delete the element of slice from start index to end index - 1
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func DeleteAt[T any](slice []T, start int, end ...int) []T //delete the element of slice from start index to end index - 1
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func Drop[T any](slice []T, n int) []T //creates a slice with `n` elements dropped from the beginning when n > 0, or `n` elements dropped from the ending when n < 0
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func Every[T any](slice []T, predicate func(index int, t T) bool) bool //return true if all of the values in the slice pass the predicate function
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func None[T any](slice []T, predicate func(index int, t T) bool) bool // return true if all the values in the slice mismatch the criteria
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@@ -452,7 +452,7 @@ func ForEach [T any] (slice []T, iteratee func(index int, t T)) //iterates over
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func IntSlice(slice interface{}) ([]int, error) //convert value to int slice
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func InterfaceSlice(slice interface{}) []interface{} //convert value to interface{} slice
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func Intersection[T comparable](slices ...[]T) []T //creates a slice of unique values that included by all slices.
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func InsertByIndex[T any](slice []T, index int, value interface{}) []T //insert the value or other slice into slice at index.
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func InsertAt[T any](slice []T, index int, value interface{}) []T //insert the value or other slice into slice at index.
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func Map [T any, U any] (slice []T, iteratee func(index int, t T) U) []U //creates an slice of values by running each element of slice thru iteratee function.
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func Reverse[T any](slice []T)//revere slice
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func Reduce[T any](slice []T, iteratee func(index int, t1, t2 T) T, initial T) T //creates an slice of values by running each element of slice thru iteratee function
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@@ -462,7 +462,7 @@ func Some[T any](slice []T, predicate func(index int, t T) bool) bool //return t
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func StringSlice(slice interface{}) []string //convert value to string slice
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func Unique[T comparable](slice []T) []T //remove duplicate elements in slice
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func Union[T comparable](slices ...[]T) []T //Union creates a slice of unique values, in order, from all given slices. using == for equality comparisons.
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func UpdateByIndex[T any](slice []T, index int, value T) []T //update the slice element at index.
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func UpdateAt[T any](slice []T, index int, value T) []T //update the slice element at index.
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func Without[T comparable](slice []T, values ...T) []T //creates a slice excluding all given values
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func GroupBy[T any](slice []T, groupFn func(index int, t T) bool) ([]T, []T) //iterate over elements of the slice, each element will be group by criteria, returns two slices
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func Count[T any](slice []T, predicate func(index int, t T) bool) int // iterates over elements of slice, returns a count of all matched elements
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@@ -440,7 +440,7 @@ func Concat[T any](slice []T, values ...[]T) []T //连接values到slice中
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func Difference[T comparable](slice1, slice2 []T) []T //返回切片,其元素在slice1中,不在slice2中
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func DifferenceBy[T any](slice []T, comparedSlice []T, iteratee func(index int, t T) T) []T //将slice 和comparedSlice中每个元素调用iterateeFn后作比较,如果不相等返回slice中的元素
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func DifferenceWith[T any](slice []T, comparedSlice []T, comparator func(value, otherValue T) bool) []T //将slice 和comparedSlice中每个元素调用comparator后作比较,如果为false,返回slice中的元素
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func DeleteByIndex[T any](slice []T, start int, end ...int) []T //删除切片中start到end位置的值(不包含end)
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func DeleteAt[T any](slice []T, start int, end ...int) []T //删除切片中start到end位置的值(不包含end)
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func Drop[T any](slice []T, n int) []T //创建一个新切片,当n大于0时删除原切片前n个元素,当n小于0时删除原切片后n个元素
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func Every[T any](slice []T, predicate func(index int, t T) bool) bool//slice中所有元素都符合函数条件时返回true, 否则返回false
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func None[T any](slice []T, predicate func(index int, t T) bool) bool //slice中所有元素都不符合函数条件时返回true, 否则返回false
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@@ -452,7 +452,7 @@ func ForEach [T any] (slice []T, iteratee func(index int, t T)) //遍历切片
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func IntSlice(slice interface{}) ([]int, error) //转成int切片
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func InterfaceSlice(slice interface{}) []interface{} //转成interface{}切片
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func Intersection[T comparable](slices ...[]T) []T //slice交集,去重
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func InsertByIndex[T any](slice []T, index int, value interface{}) []T //在切片中index位置插入value
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func InsertAt[T any](slice []T, index int, value interface{}) []T //在切片中index位置插入value
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func Map [T any, U any] (slice []T, iteratee func(index int, t T) U) []U //遍历切片,返回遍历结果
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func Reverse[T any](slice []T) //反转切片
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func Reduce[T any](slice []T, iteratee func(index int, t1, t2 T) T, initial T) T //切片reduce操作
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@@ -462,7 +462,7 @@ func SortByField(slice interface{}, field string, sortType ...string) error //
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func StringSlice(slice interface{}) []string //转为string切片
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func Unique[T comparable](slice []T) []T //去重切片
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func Union[T comparable](slices ...[]T) []T //slice并集, 去重
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func UpdateByIndex[T any](slice []T, index int, value T) []T //在切片中index位置更新value
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func UpdateAt[T any](slice []T, index int, value T) []T //在切片中index位置更新value
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func Without[T comparable](slice []T, values ...T) []T //slice去除values
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func GroupBy[T any](slice []T, groupFn func(index int, t T) bool) ([]T, []T) //根据函数groupFn的逻辑分slice为两组slice
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func Count[T any](slice []T, predicate func(index int, t T) bool) int //遍历slice的元素,返回所有匹配元素的数量
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@@ -433,11 +433,11 @@ func IntSlice(slice interface{}) []int {
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return out
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}
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// DeleteByIndex delete the element of slice from start index to end index - 1.
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func DeleteByIndex[T any](slice []T, start int, end ...int) []T {
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// DeleteAt delete the element of slice from start index to end index - 1.
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func DeleteAt[T any](slice []T, start int, end ...int) []T {
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size := len(slice)
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if start < 0 || start > size-1 {
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if start < 0 || start >= size {
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return slice
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}
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@@ -482,8 +482,8 @@ func Drop[T any](slice []T, n int) []T {
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return slice[n:size]
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}
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// InsertByIndex insert the value or other slice into slice at index.
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func InsertByIndex[T any](slice []T, index int, value interface{}) []T {
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// InsertAt insert the value or other slice into slice at index.
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func InsertAt[T any](slice []T, index int, value interface{}) []T {
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size := len(slice)
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if index < 0 || index > size {
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@@ -505,8 +505,8 @@ func InsertByIndex[T any](slice []T, index int, value interface{}) []T {
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return slice
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}
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// UpdateByIndex update the slice element at index.
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func UpdateByIndex[T any](slice []T, index int, value T) []T {
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// UpdateAt update the slice element at index.
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func UpdateAt[T any](slice []T, index int, value T) []T {
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size := len(slice)
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if index < 0 || index >= size {
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@@ -291,21 +291,21 @@ func TestInterfaceSlice(t *testing.T) {
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assert.Equal(expect, InterfaceSlice(strs))
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}
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func TestDeleteByIndex(t *testing.T) {
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assert := internal.NewAssert(t, "TestDeleteByIndex")
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func TestDeleteAt(t *testing.T) {
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assert := internal.NewAssert(t, "TestDeleteAt")
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assert.Equal([]string{"a", "b", "c"}, DeleteByIndex([]string{"a", "b", "c"}, -1))
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assert.Equal([]string{"a", "b", "c"}, DeleteByIndex([]string{"a", "b", "c"}, 3))
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assert.Equal([]string{"b", "c"}, DeleteByIndex([]string{"a", "b", "c"}, 0))
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assert.Equal([]string{"a", "c"}, DeleteByIndex([]string{"a", "b", "c"}, 1))
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assert.Equal([]string{"a", "b"}, DeleteByIndex([]string{"a", "b", "c"}, 2))
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assert.Equal([]string{"a", "b", "c"}, DeleteAt([]string{"a", "b", "c"}, -1))
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assert.Equal([]string{"a", "b", "c"}, DeleteAt([]string{"a", "b", "c"}, 3))
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assert.Equal([]string{"b", "c"}, DeleteAt([]string{"a", "b", "c"}, 0))
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assert.Equal([]string{"a", "c"}, DeleteAt([]string{"a", "b", "c"}, 1))
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assert.Equal([]string{"a", "b"}, DeleteAt([]string{"a", "b", "c"}, 2))
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assert.Equal([]string{"b", "c"}, DeleteByIndex([]string{"a", "b", "c"}, 0, 1))
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assert.Equal([]string{"c"}, DeleteByIndex([]string{"a", "b", "c"}, 0, 2))
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assert.Equal([]string{}, DeleteByIndex([]string{"a", "b", "c"}, 0, 3))
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assert.Equal([]string{}, DeleteByIndex([]string{"a", "b", "c"}, 0, 4))
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assert.Equal([]string{"a"}, DeleteByIndex([]string{"a", "b", "c"}, 1, 3))
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assert.Equal([]string{"a"}, DeleteByIndex([]string{"a", "b", "c"}, 1, 4))
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assert.Equal([]string{"b", "c"}, DeleteAt([]string{"a", "b", "c"}, 0, 1))
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assert.Equal([]string{"c"}, DeleteAt([]string{"a", "b", "c"}, 0, 2))
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assert.Equal([]string{}, DeleteAt([]string{"a", "b", "c"}, 0, 3))
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assert.Equal([]string{}, DeleteAt([]string{"a", "b", "c"}, 0, 4))
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assert.Equal([]string{"a"}, DeleteAt([]string{"a", "b", "c"}, 1, 3))
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assert.Equal([]string{"a"}, DeleteAt([]string{"a", "b", "c"}, 1, 4))
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}
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func TestDrop(t *testing.T) {
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@@ -325,26 +325,28 @@ func TestDrop(t *testing.T) {
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assert.Equal([]int{}, Drop([]int{1, 2, 3, 4, 5}, -6))
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}
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func TestInsertByIndex(t *testing.T) {
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assert := internal.NewAssert(t, "TestInsertByIndex")
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func TestInsertAt(t *testing.T) {
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assert := internal.NewAssert(t, "TestInsertAt")
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strs := []string{"a", "b", "c"}
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assert.Equal([]string{"a", "b", "c"}, InsertByIndex(strs, -1, "1"))
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assert.Equal([]string{"a", "b", "c"}, InsertByIndex(strs, 4, "1"))
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assert.Equal([]string{"1", "a", "b", "c"}, InsertByIndex(strs, 0, "1"))
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assert.Equal([]string{"a", "b", "c", "1"}, InsertByIndex(strs, 3, "1"))
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assert.Equal([]string{"1", "2", "3", "a", "b", "c"}, InsertByIndex(strs, 0, []string{"1", "2", "3"}))
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assert.Equal([]string{"a", "b", "c", "1", "2", "3"}, InsertByIndex(strs, 3, []string{"1", "2", "3"}))
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assert.Equal([]string{"a", "b", "c"}, InsertAt(strs, -1, "1"))
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assert.Equal([]string{"a", "b", "c"}, InsertAt(strs, 4, "1"))
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assert.Equal([]string{"1", "a", "b", "c"}, InsertAt(strs, 0, "1"))
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assert.Equal([]string{"a", "1", "b", "c"}, InsertAt(strs, 1, "1"))
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assert.Equal([]string{"a", "b", "1", "c"}, InsertAt(strs, 2, "1"))
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assert.Equal([]string{"a", "b", "c", "1"}, InsertAt(strs, 3, "1"))
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assert.Equal([]string{"1", "2", "3", "a", "b", "c"}, InsertAt(strs, 0, []string{"1", "2", "3"}))
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assert.Equal([]string{"a", "b", "c", "1", "2", "3"}, InsertAt(strs, 3, []string{"1", "2", "3"}))
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t.Log(strs)
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}
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func TestUpdateByIndex(t *testing.T) {
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assert := internal.NewAssert(t, "TestUpdateByIndex")
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func TestUpdateAt(t *testing.T) {
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assert := internal.NewAssert(t, "TestUpdateAt")
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assert.Equal([]string{"a", "b", "c"}, UpdateByIndex([]string{"a", "b", "c"}, -1, "1"))
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assert.Equal([]string{"1", "b", "c"}, UpdateByIndex([]string{"a", "b", "c"}, 0, "1"))
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assert.Equal([]string{"a", "b", "2"}, UpdateByIndex([]string{"a", "b", "c"}, 2, "2"))
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assert.Equal([]string{"a", "b", "c"}, UpdateByIndex([]string{"a", "b", "c"}, 3, "2"))
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assert.Equal([]string{"a", "b", "c"}, UpdateAt([]string{"a", "b", "c"}, -1, "1"))
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assert.Equal([]string{"1", "b", "c"}, UpdateAt([]string{"a", "b", "c"}, 0, "1"))
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assert.Equal([]string{"a", "b", "2"}, UpdateAt([]string{"a", "b", "c"}, 2, "2"))
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assert.Equal([]string{"a", "b", "c"}, UpdateAt([]string{"a", "b", "c"}, 3, "2"))
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}
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func TestUnique(t *testing.T) {
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