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package index
import "strings"
func isPrefixOfWord(sentence string, searchWord string) int {	var index = FindIndex(strings.Split(sentence, " "), func(el string) bool {		return strings.HasPrefix(el, searchWord)	})	if index < 0 {		return index	} else {		return index + 1	}}
//func FindIndex[S ~[]T, T any](items S, f func(el T) bool) int {func FindIndex(items []string, f func(el string) bool) int {	for i, el := range items {		if f(el) {			return i		}	}	return -1}