golang sliceopt 代码
文件路径：/test/sliceopt.go
/ errorcheck -0 -d=append,slice
/ Copyright 2015 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.
/ Check optimization results for append and slicing.
package main
func a1(x []int, y int) []int {
x = append(x, y) / ERROR "append: len-only update \(in local slice\)$"
return x
}
func a2(x []int, y int) []int {
return append(x, y)
}
func a3(x *[]int, y int) {
*x = append(*x, y) / ERROR "append: len-only update$"
}
func s1(x **[]int, xs **string, i, j int) {
var z []int
z = (**x)[0:] / ERROR "slice: omit slice operation$"
println(z)
var zs string
zs = (**xs)[0:] / ERROR "slice: omit slice operation$"
println(zs)
}