blob: 246eb3527ef2289529950ca9064b957b375d3564 [file] [log] [blame] [edit]
// compile
// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
func rotate(s []int, m int) {
l := len(s)
m = m % l
buf := make([]int, m)
copy(buf, s)
copy(s, s[m:])
copy(s[l-m:], buf)
}
func main() {
a0 := [...]int{1,2,3,4,5}
println(a0[0])
rotate(a0[:], 1)
println(a0[0])
rotate(a0[:], -3)
println(a0[0])
}