modernc.org/gc@v1.0.1-0.20240304020402-f0dba7c97c2b/testdata/errchk/test/fixedbugs/issue4251.go (about)

     1  // errorcheck
     2  
     3  // Copyright 2012 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  // Issue 4251: slice with inverted range is an error.
     8  
     9  package p
    10  
    11  func F1(s []byte) []byte {
    12  	return s[2:1]		// ERROR "invalid slice index|inverted slice range"
    13  }
    14  
    15  func F2(a [10]byte) []byte {
    16  	return a[2:1]		// ERROR "invalid slice index|inverted slice range"
    17  }
    18  
    19  func F3(s string) string {
    20  	return s[2:1]		// ERROR "invalid slice index|inverted slice range"
    21  }