package main
import "fmt"
func main() {
	start := "start"
	var a [4099]byte
	for j := 0; j < len(a); j++ {
		if j%3 == 0 {
			a[j] = 'A'
		} else if j%3 == 1 {
			a[j] = 'B'
		} else if j%3 == 2 {
			a[j] = 'C'
		}
	}
	copy(a[:], start)
	fmt.Printf("%s", a)
	fmt.Println()
}

tinygo build -target=wasip2 -o test.wasm main.go
wasmtime run test.wasm

tinygo run .
# or
go run .