| // Copyright 2020 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 testdata |
| |
| var ( |
| a [10]byte |
| b [20]float32 |
| s []int |
| t struct { |
| s []byte |
| } |
| |
| _ = a[0:] |
| _ = a[1:10] |
| _ = a[2:] // want "unneeded: len\\(a\\)" |
| _ = a[3:(len(a))] |
| _ = a[len(a)-1:] // want "unneeded: len\\(a\\)" |
| _ = a[2:len(a):len(a)] |
| |
| _ = a[:] |
| _ = a[:10] |
| _ = a[:] // want "unneeded: len\\(a\\)" |
| _ = a[:(len(a))] |
| _ = a[:len(a)-1] |
| _ = a[:len(a):len(a)] |
| |
| _ = s[0:] |
| _ = s[1:10] |
| _ = s[2:] // want "unneeded: len\\(s\\)" |
| _ = s[3:(len(s))] |
| _ = s[len(a) : len(s)-1] |
| _ = s[0:len(b)] |
| _ = s[2:len(s):len(s)] |
| |
| _ = s[:] |
| _ = s[:10] |
| _ = s[:] // want "unneeded: len\\(s\\)" |
| _ = s[:(len(s))] |
| _ = s[:len(s)-1] |
| _ = s[:len(b)] |
| _ = s[:len(s):len(s)] |
| |
| _ = t.s[0:] |
| _ = t.s[1:10] |
| _ = t.s[2:len(t.s)] |
| _ = t.s[3:(len(t.s))] |
| _ = t.s[len(a) : len(t.s)-1] |
| _ = t.s[0:len(b)] |
| _ = t.s[2:len(t.s):len(t.s)] |
| |
| _ = t.s[:] |
| _ = t.s[:10] |
| _ = t.s[:len(t.s)] |
| _ = t.s[:(len(t.s))] |
| _ = t.s[:len(t.s)-1] |
| _ = t.s[:len(b)] |
| _ = t.s[:len(t.s):len(t.s)] |
| ) |
| |
| func _() { |
| s := s[0:] // want "unneeded: len\\(s\\)" |
| _ = s |
| } |
| |
| func m() { |
| maps := []int{} |
| _ = maps[1:] // want "unneeded: len\\(maps\\)" |
| } |
