portainer/api/internal/slices/slices.go

47 lines
947 B
Go

package slices
// Contains is a generic function that returns true if the element is contained within the slice
func Contains[T comparable](elems []T, v T) bool {
for _, s := range elems {
if v == s {
return true
}
}
return false
}
// IndexFunc returns the first index i satisfying f(s[i]),
// or -1 if none do.
func IndexFunc[E any](s []E, f func(E) bool) int {
for i, v := range s {
if f(v) {
return i
}
}
return -1
}
// RemoveItem removes the first element from the slice that satisfies the given predicate
func RemoveItem[E comparable](s []E, predicate func(E) bool) []E {
index := IndexFunc(s, predicate)
if index == -1 {
return s
}
return RemoveIndex(s, index)
}
// RemoveIndex removes the element at the given index from the slice
func RemoveIndex[T any](s []T, index int) []T {
if len(s) == 0 {
return s
}
if index < 0 || index >= len(s) {
return s
}
s[index] = s[len(s)-1]
return s[:len(s)-1]
}