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Initial

func Initial[T any](slice []T) []T

Initial returns all elements of the slice except the last. Returns an empty slice if the slice has 0 or 1 elements.

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package main

import (
    "fmt"

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

func main() {
    numbers := []int{1, 2, 3, 4, 5}

    allButLast := sliceutils.Initial(numbers)
    fmt.Printf("%v\n", allButLast) // [1 2 3 4]

    single := []int{1}
    emptyInitial := sliceutils.Initial(single)
    fmt.Printf("%v\n", emptyInitial) // []
}