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Windows

func Windows[T any](slice []T, size int) [][]T

Windows returns a slice of sliding windows of the specified size. Each window is a slice of consecutive elements. If size is greater than the slice length or less than 1, returns an empty slice.

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package main

import (
    "fmt"

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

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

    // Get all windows of size 3
    windows := sliceutils.Windows(numbers, 3)
    fmt.Printf("%v\n", windows)
    // [[1 2 3] [2 3 4] [3 4 5]]

    // Useful for calculating rolling averages, moving statistics, etc.
}