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strings.go
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strings.go
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package slices
// Contains returns a boolean based on whether a value is contained in the given slice.
func Contains(slice []string, value string) bool {
for _, s := range slice {
if value == s {
return true
}
}
return false
}
// ReverseArray returns the given array in reversed order.
func ReverseArray(arr []string) (reversed []string) {
reversed = make([]string, len(arr))
last := len(arr) - 1
for i, val := range arr {
reversed[last-i] = val
}
return
}
// Last returns the last string in a string slice while avoiding panics from a nil slice.
func Last(arr []string) string {
if len(arr) == 0 {
return ""
}
return arr[len(arr)-1]
}
// Unique returns a new slice with only unique values from the original slice.
func Unique(strSlice []string) []string {
var unique []string
for _, elm := range strSlice {
if !Contains(unique, elm) {
unique = append(unique, elm)
}
}
return unique
}