package main // GOEXPERIMENT=arenas go run main.go // go run -tags goexperiment.arenas main.go import ( "arena" ) func main() { mem := arena.NewArena() defer mem.Free() slice := arena.NewSlice[int](mem, 0, 5) slice = append(slice, 1, 2, 3, 4, 5) slice = append(slice, 6) // moved to heap }