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golang
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1.19.4
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src
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strings
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builder.go
(3.54 KB)
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builder_test.go
(7.26 KB)
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clone.go
(877 B)
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clone_test.go
(1.22 KB)
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compare.go
(1.06 KB)
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compare_test.go
(2.75 KB)
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example_test.go
(9.38 KB)
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export_test.go
(1.07 KB)
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reader.go
(3.87 KB)
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reader_test.go
(5.87 KB)
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replace.go
(14.46 KB)
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replace_test.go
(14.08 KB)
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search.go
(4.19 KB)
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search_test.go
(1.88 KB)
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strings.go
(28.61 KB)
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strings_test.go
(49.48 KB)
Editing: clone.go
// Copyright 2021 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 strings import ( "unsafe" ) // Clone returns a fresh copy of s. // It guarantees to make a copy of s into a new allocation, // which can be important when retaining only a small substring // of a much larger string. Using Clone can help such programs // use less memory. Of course, since using Clone makes a copy, // overuse of Clone can make programs use more memory. // Clone should typically be used only rarely, and only when // profiling indicates that it is needed. // For strings of length zero the string "" will be returned // and no allocation is made. func Clone(s string) string { if len(s) == 0 { return "" } b := make([]byte, len(s)) copy(b, s) return *(*string)(unsafe.Pointer(&b)) }
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