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22 lines
443 B
Go
22 lines
443 B
Go
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package bus
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import "golang.org/x/net/context"
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const key = "bus"
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// Setter defines a context that enables setting values.
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type Setter interface {
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Set(string, interface{})
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}
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// FromContext returns the Bus associated with this context.
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func FromContext(c context.Context) Bus {
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return c.Value(key).(Bus)
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}
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// ToContext adds the Bus to this context if it supports
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// the Setter interface.
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func ToContext(c Setter, b Bus) {
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c.Set(key, b)
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}
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