From 47ab3d4a42e9ab51c465c4322d2ec233f6324e6b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:16:40 +0200 Subject: Adding upstream version 1.18.10. Signed-off-by: Daniel Baumann --- test/sliceopt.go | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 test/sliceopt.go (limited to 'test/sliceopt.go') diff --git a/test/sliceopt.go b/test/sliceopt.go new file mode 100644 index 0000000..b8b9472 --- /dev/null +++ b/test/sliceopt.go @@ -0,0 +1,32 @@ +// 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) +} -- cgit v1.2.3