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22 lines
464 B
Go
22 lines
464 B
Go
package stream
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import "golang.org/x/net/context"
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const key = "stream"
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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 Stream associated with this context.
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func FromContext(c context.Context) Stream {
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return c.Value(key).(Stream)
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}
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// ToContext adds the Stream to this context if it supports the
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// Setter interface.
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func ToContext(c Setter, s Stream) {
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c.Set(key, s)
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}
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