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Diffstat (limited to 'vendor/go.uber.org/atomic/string.go')
-rw-r--r-- | vendor/go.uber.org/atomic/string.go | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/vendor/go.uber.org/atomic/string.go b/vendor/go.uber.org/atomic/string.go new file mode 100644 index 0000000..ede8136 --- /dev/null +++ b/vendor/go.uber.org/atomic/string.go | |||
@@ -0,0 +1,49 @@ | |||
1 | // Copyright (c) 2016 Uber Technologies, Inc. | ||
2 | // | ||
3 | // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
4 | // of this software and associated documentation files (the "Software"), to deal | ||
5 | // in the Software without restriction, including without limitation the rights | ||
6 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
7 | // copies of the Software, and to permit persons to whom the Software is | ||
8 | // furnished to do so, subject to the following conditions: | ||
9 | // | ||
10 | // The above copyright notice and this permission notice shall be included in | ||
11 | // all copies or substantial portions of the Software. | ||
12 | // | ||
13 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
14 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
15 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
16 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
17 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
18 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
19 | // THE SOFTWARE. | ||
20 | |||
21 | package atomic | ||
22 | |||
23 | // String is an atomic type-safe wrapper around Value for strings. | ||
24 | type String struct{ v Value } | ||
25 | |||
26 | // NewString creates a String. | ||
27 | func NewString(str string) *String { | ||
28 | s := &String{} | ||
29 | if str != "" { | ||
30 | s.Store(str) | ||
31 | } | ||
32 | return s | ||
33 | } | ||
34 | |||
35 | // Load atomically loads the wrapped string. | ||
36 | func (s *String) Load() string { | ||
37 | v := s.v.Load() | ||
38 | if v == nil { | ||
39 | return "" | ||
40 | } | ||
41 | return v.(string) | ||
42 | } | ||
43 | |||
44 | // Store atomically stores the passed string. | ||
45 | // Note: Converting the string to an interface{} to store in the Value | ||
46 | // requires an allocation. | ||
47 | func (s *String) Store(str string) { | ||
48 | s.v.Store(str) | ||
49 | } | ||