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matterbridge/vendor/go.uber.org/atomic/string.go

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// Copyright (c) 2016 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package atomic
// String is an atomic type-safe wrapper around Value for strings.
type String struct{ v Value }
// NewString creates a String.
func NewString(str string) *String {
s := &String{}
if str != "" {
s.Store(str)
}
return s
}
// Load atomically loads the wrapped string.
func (s *String) Load() string {
v := s.v.Load()
if v == nil {
return ""
}
return v.(string)
}
// Store atomically stores the passed string.
// Note: Converting the string to an interface{} to store in the Value
// requires an allocation.
func (s *String) Store(str string) {
s.v.Store(str)
}