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46 lines
942 B
Go
46 lines
942 B
Go
// Copyright (c) 2017 Daniel Oaks <daniel@danieloaks.net>
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// released under the MIT license
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package caps
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import "sync"
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// Values holds capability values.
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type Values struct {
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sync.RWMutex
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// values holds our actual capability values.
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values map[Capability]string
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}
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// NewValues returns a new Values.
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func NewValues() *Values {
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return &Values{
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values: make(map[Capability]string),
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}
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}
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// Set sets the value for the given capability.
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func (v *Values) Set(capab Capability, value string) {
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v.Lock()
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defer v.Unlock()
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v.values[capab] = value
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}
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// Unset removes the value for the given capability, if it exists.
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func (v *Values) Unset(capab Capability) {
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v.Lock()
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defer v.Unlock()
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delete(v.values, capab)
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}
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// Get returns the value of the given capability, and whether one exists.
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func (v *Values) Get(capab Capability) (string, bool) {
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v.RLock()
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defer v.RUnlock()
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value, exists := v.values[capab]
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return value, exists
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}
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