Every

func Every[T any](slice []T, predicate func(value T, index int, slice []T) bool) bool

Every takes a slice of type T and a predicate function, returning true if the predicate returned true for every elements. The function is passed the current element, the current index and the slice itself as function arguments.

package main

import (
    "fmt"

    "github.com/Goldziher/go-utils/sliceutils"
)

func main() {
    friends := []string{"John", "Bob", "Mendy", "Suzy", "John"}

    result := sliceutils.Every(friends, func(value string, index int, slice []string) bool {
        return value == "Mandy"
    })

    fmt.Print(result) // false
}