2022-10-27 16:00:57 +02:00
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package langext
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import (
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2023-07-19 19:29:59 +02:00
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"errors"
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"fmt"
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2022-10-27 16:00:57 +02:00
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"reflect"
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)
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2022-10-27 17:06:16 +02:00
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func BoolCount(arr ...bool) int {
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c := 0
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for _, v := range arr {
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if v {
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c++
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}
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}
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return c
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}
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func Range[T IntegerConstraint](start T, end T) []T {
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r := make([]T, 0, end-start)
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for i := start; i < end; i++ {
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r = append(r, i)
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}
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return r
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}
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2022-10-27 16:00:57 +02:00
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func ForceArray[T any](v []T) []T {
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if v == nil {
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return make([]T, 0)
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} else {
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return v
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}
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}
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func ReverseArray[T any](v []T) {
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for i, j := 0, len(v)-1; i < j; i, j = i+1, j-1 {
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v[i], v[j] = v[j], v[i]
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}
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}
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func InArray[T comparable](needle T, haystack []T) bool {
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for _, v := range haystack {
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if v == needle {
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return true
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}
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}
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return false
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}
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func ArrUnique[T comparable](array []T) []T {
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m := make(map[T]bool, len(array))
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for _, v := range array {
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m[v] = true
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}
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result := make([]T, 0, len(m))
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for v := range m {
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result = append(result, v)
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}
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return result
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}
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func ArrEqualsExact[T comparable](arr1 []T, arr2 []T) bool {
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if len(arr1) != len(arr2) {
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return false
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}
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for i := range arr1 {
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if arr1[i] != arr2[i] {
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return false
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}
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}
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return true
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}
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2022-12-11 02:34:38 +01:00
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func ArrAll[T any](arr []T, fn func(T) bool) bool {
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for _, av := range arr {
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if !fn(av) {
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return false
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}
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}
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return true
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}
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func ArrAllErr[T any](arr []T, fn func(T) (bool, error)) (bool, error) {
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for _, av := range arr {
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v, err := fn(av)
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if err != nil {
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return false, err
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}
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if !v {
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return false, nil
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}
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}
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return true, nil
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}
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func ArrNone[T any](arr []T, fn func(T) bool) bool {
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for _, av := range arr {
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if fn(av) {
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return false
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}
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}
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return true
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}
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func ArrNoneErr[T any](arr []T, fn func(T) (bool, error)) (bool, error) {
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for _, av := range arr {
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v, err := fn(av)
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if err != nil {
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return false, err
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}
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if v {
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return false, nil
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}
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}
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return true, nil
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}
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func ArrAny[T any](arr []T, fn func(T) bool) bool {
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for _, av := range arr {
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if fn(av) {
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return true
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}
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}
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return false
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}
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func ArrAnyErr[T any](arr []T, fn func(T) (bool, error)) (bool, error) {
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for _, av := range arr {
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v, err := fn(av)
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if err != nil {
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return false, err
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}
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if v {
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return true, nil
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}
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}
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return false, nil
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}
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func ArrIdxAll(arr any, fn func(int) bool) bool {
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2022-10-27 16:00:57 +02:00
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av := reflect.ValueOf(arr)
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for i := 0; i < av.Len(); i++ {
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if !fn(i) {
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return false
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}
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}
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return true
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}
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2022-12-11 02:34:38 +01:00
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func ArrIdxAllErr(arr any, fn func(int) (bool, error)) (bool, error) {
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2022-10-27 16:00:57 +02:00
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av := reflect.ValueOf(arr)
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for i := 0; i < av.Len(); i++ {
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v, err := fn(i)
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if err != nil {
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return false, err
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}
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if !v {
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return false, nil
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}
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}
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return true, nil
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}
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2022-12-11 02:34:38 +01:00
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func ArrIdxNone(arr any, fn func(int) bool) bool {
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2022-10-27 16:00:57 +02:00
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av := reflect.ValueOf(arr)
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for i := 0; i < av.Len(); i++ {
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if fn(i) {
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return false
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}
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}
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return true
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}
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2022-12-11 02:34:38 +01:00
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func ArrIdxNoneErr(arr any, fn func(int) (bool, error)) (bool, error) {
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2022-10-27 16:00:57 +02:00
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av := reflect.ValueOf(arr)
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for i := 0; i < av.Len(); i++ {
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v, err := fn(i)
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if err != nil {
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return false, err
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}
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if v {
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return false, nil
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}
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}
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return true, nil
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}
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2022-12-11 02:34:38 +01:00
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func ArrIdxAny(arr any, fn func(int) bool) bool {
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2022-10-27 16:00:57 +02:00
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av := reflect.ValueOf(arr)
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for i := 0; i < av.Len(); i++ {
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if fn(i) {
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return true
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}
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}
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return false
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}
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2022-12-11 02:34:38 +01:00
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func ArrIdxAnyErr(arr any, fn func(int) (bool, error)) (bool, error) {
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2022-10-27 16:00:57 +02:00
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av := reflect.ValueOf(arr)
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for i := 0; i < av.Len(); i++ {
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v, err := fn(i)
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if err != nil {
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return false, err
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}
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if v {
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return true, nil
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}
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}
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return false, nil
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}
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2022-12-11 02:34:38 +01:00
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func ArrFirst[T any](arr []T, comp func(v T) bool) (T, bool) {
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2022-10-27 17:09:48 +02:00
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for _, v := range arr {
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if comp(v) {
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return v, true
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}
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}
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return *new(T), false
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}
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2023-07-19 19:29:59 +02:00
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func ArrFirstOrNil[T any](arr []T, comp func(v T) bool) *T {
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for _, v := range arr {
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if comp(v) {
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return Ptr(v)
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}
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}
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return nil
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}
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2022-12-11 02:34:38 +01:00
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func ArrLast[T any](arr []T, comp func(v T) bool) (T, bool) {
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2022-10-27 17:09:48 +02:00
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found := false
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result := *new(T)
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for _, v := range arr {
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if comp(v) {
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found = true
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result = v
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}
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}
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return result, found
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}
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2023-07-19 19:29:59 +02:00
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func ArrLastOrNil[T any](arr []T, comp func(v T) bool) *T {
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found := false
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result := *new(T)
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for _, v := range arr {
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if comp(v) {
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found = true
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result = v
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}
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}
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if found {
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return Ptr(result)
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} else {
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return nil
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}
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}
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2022-11-14 20:42:50 +01:00
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func ArrFirstIndex[T comparable](arr []T, needle T) int {
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for i, v := range arr {
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if v == needle {
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return i
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}
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}
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return -1
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}
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func ArrLastIndex[T comparable](arr []T, needle T) int {
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result := -1
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for i, v := range arr {
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if v == needle {
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result = i
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}
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}
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return result
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}
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2022-10-27 16:00:57 +02:00
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func AddToSet[T comparable](set []T, add T) []T {
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for _, v := range set {
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if v == add {
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return set
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}
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}
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return append(set, add)
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}
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2022-11-14 20:42:50 +01:00
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func ArrMap[T1 any, T2 any](arr []T1, conv func(v T1) T2) []T2 {
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r := make([]T2, len(arr))
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for i, v := range arr {
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r[i] = conv(v)
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}
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return r
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}
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2023-07-19 19:29:59 +02:00
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func MapMap[TK comparable, TV any, TR any](inmap map[TK]TV, conv func(k TK, v TV) TR) []TR {
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r := make([]TR, 0, len(inmap))
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for k, v := range inmap {
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r = append(r, conv(k, v))
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}
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return r
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}
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func MapMapErr[TK comparable, TV any, TR any](inmap map[TK]TV, conv func(k TK, v TV) (TR, error)) ([]TR, error) {
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r := make([]TR, 0, len(inmap))
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for k, v := range inmap {
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elem, err := conv(k, v)
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if err != nil {
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return nil, err
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}
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r = append(r, elem)
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}
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return r, nil
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}
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func ArrMapExt[T1 any, T2 any](arr []T1, conv func(idx int, v T1) T2) []T2 {
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r := make([]T2, len(arr))
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for i, v := range arr {
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r[i] = conv(i, v)
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}
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return r
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}
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func ArrMapErr[T1 any, T2 any](arr []T1, conv func(v T1) (T2, error)) ([]T2, error) {
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var err error
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r := make([]T2, len(arr))
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for i, v := range arr {
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r[i], err = conv(v)
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if err != nil {
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return nil, err
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}
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}
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return r, nil
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}
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2023-01-31 10:56:30 +01:00
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func ArrFilterMap[T1 any, T2 any](arr []T1, filter func(v T1) bool, conv func(v T1) T2) []T2 {
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r := make([]T2, 0, len(arr))
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for _, v := range arr {
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if filter(v) {
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r = append(r, conv(v))
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}
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}
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return r
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}
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2023-07-19 19:29:59 +02:00
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func ArrFilter[T any](arr []T, filter func(v T) bool) []T {
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r := make([]T, 0, len(arr))
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for _, v := range arr {
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if filter(v) {
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r = append(r, v)
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}
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}
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return r
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}
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2022-11-14 20:42:50 +01:00
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func ArrSum[T NumberConstraint](arr []T) T {
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var r T = 0
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for _, v := range arr {
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r += v
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}
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return r
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}
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2023-02-14 17:18:58 +01:00
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2023-07-19 19:29:59 +02:00
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func ArrFlatten[T1 any, T2 any](arr []T1, conv func(v T1) []T2) []T2 {
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r := make([]T2, 0, len(arr))
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for _, v1 := range arr {
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r = append(r, conv(v1)...)
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}
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return r
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}
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func ArrFlattenDirect[T1 any](arr [][]T1) []T1 {
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r := make([]T1, 0, len(arr))
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for _, v1 := range arr {
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r = append(r, v1...)
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}
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return r
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}
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func ArrCastToAny[T1 any](arr []T1) []any {
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r := make([]any, len(arr))
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for i, v := range arr {
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r[i] = any(v)
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}
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return r
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}
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func ArrCastSafe[T1 any, T2 any](arr []T1) []T2 {
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r := make([]T2, 0, len(arr))
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for _, v := range arr {
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|
|
if vcast, ok := any(v).(T2); ok {
|
|
|
|
r = append(r, vcast)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return r
|
|
|
|
}
|
|
|
|
|
|
|
|
func ArrCastErr[T1 any, T2 any](arr []T1) ([]T2, error) {
|
|
|
|
r := make([]T2, len(arr))
|
|
|
|
for i, v := range arr {
|
|
|
|
if vcast, ok := any(v).(T2); ok {
|
|
|
|
r[i] = vcast
|
|
|
|
} else {
|
|
|
|
return nil, errors.New(fmt.Sprintf("Cannot cast element %d of type %T to type %s", i, v, *new(T2)))
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return r, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
func ArrCastPanic[T1 any, T2 any](arr []T1) []T2 {
|
|
|
|
r := make([]T2, len(arr))
|
|
|
|
for i, v := range arr {
|
|
|
|
if vcast, ok := any(v).(T2); ok {
|
|
|
|
r[i] = vcast
|
|
|
|
} else {
|
|
|
|
panic(fmt.Sprintf("Cannot cast element %d of type %T to type %s", i, v, *new(T2)))
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return r
|
|
|
|
}
|
|
|
|
|
|
|
|
func ArrConcat[T any](arr ...[]T) []T {
|
|
|
|
c := 0
|
|
|
|
for _, v := range arr {
|
|
|
|
c += len(v)
|
|
|
|
}
|
|
|
|
r := make([]T, c)
|
|
|
|
i := 0
|
|
|
|
for _, av := range arr {
|
|
|
|
for _, v := range av {
|
|
|
|
r[i] = v
|
|
|
|
i++
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return r
|
|
|
|
}
|
|
|
|
|
|
|
|
// ArrCopy does a shallow copy of the 'in' array
|
|
|
|
func ArrCopy[T any](in []T) []T {
|
|
|
|
out := make([]T, len(in))
|
|
|
|
copy(out, in)
|
|
|
|
return out
|
|
|
|
}
|
|
|
|
|
2023-02-15 16:04:19 +01:00
|
|
|
func ArrRemove[T comparable](arr []T, needle T) []T {
|
|
|
|
idx := ArrFirstIndex(arr, needle)
|
|
|
|
if idx >= 0 {
|
|
|
|
return append(arr[:idx], arr[idx+1:]...)
|
2023-04-08 19:39:13 +02:00
|
|
|
}
|
2023-02-15 16:04:19 +01:00
|
|
|
return arr
|
2023-05-24 21:42:10 +02:00
|
|
|
}
|
2023-07-19 19:24:58 +02:00
|
|
|
|
|
|
|
func ArrExcept[T comparable](arr []T, needles ...T) []T {
|
|
|
|
r := make([]T, 0, len(arr))
|
|
|
|
rmlist := ArrToSet(needles)
|
|
|
|
for _, v := range arr {
|
|
|
|
if _, ok := rmlist[v]; !ok {
|
|
|
|
r = append(r, v)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return r
|
|
|
|
}
|
2023-07-24 09:13:19 +02:00
|
|
|
|
|
|
|
func ArrayToInterface[T any](t []T) []interface{} {
|
|
|
|
res := make([]interface{}, 0, len(t))
|
|
|
|
for i, _ := range t {
|
|
|
|
res = append(res, t[i])
|
|
|
|
}
|
|
|
|
return res
|
|
|
|
}
|
2023-08-14 15:54:50 +02:00
|
|
|
|
|
|
|
func JoinString(arr []string, delimiter string) string {
|
|
|
|
str := ""
|
|
|
|
for i, v := range arr {
|
|
|
|
str += v
|
|
|
|
if i < len(arr)-1 {
|
|
|
|
str += delimiter
|
|
|
|
}
|
|
|
|
}
|
2023-08-14 16:05:12 +02:00
|
|
|
|
|
|
|
return str
|
2023-08-14 15:54:50 +02:00
|
|
|
}
|