package main

import "fmt"

func main() {
	wm := NewLinkedGrid(5, 5)
	wm.Print()

	a := []int{1, 2, 3, 4}
	_ = MapInt(a, func(v int) (int, error) { return v * 2, nil })
	fmt.Println(a)
	r, _ := ReduceInt(a, 0, func(t, v int) (int, error) { return t + v, nil })
	fmt.Println(r)
}