Source file src/strings/clone.go
1 // Copyright 2021 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package strings 6 7 import ( 8 "internal/stringslite" 9 ) 10 11 // Clone returns a fresh copy of s. 12 // It guarantees to make a copy of s into a new allocation, 13 // which can be important when retaining only a small substring 14 // of a much larger string. Using Clone can help such programs 15 // use less memory. Of course, since using Clone makes a copy, 16 // overuse of Clone can make programs use more memory. 17 // Clone should typically be used only rarely, and only when 18 // profiling indicates that it is needed. 19 // For strings of length zero the string "" will be returned 20 // and no allocation is made. 21 func Clone(s string) string { 22 return stringslite.Clone(s) 23 } 24