Esempio n. 1
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// FromContext returns the authInfo in ctx if it exists.
func FromContext(ctx context.Context) (authInfo AuthInfo, ok bool) {
	authInfo, ok = ctx.Value(authInfoKey{}).(AuthInfo)
	return
}
Esempio n. 2
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// StreamFromContext returns the stream saved in ctx.
func StreamFromContext(ctx context.Context) (s *Stream, ok bool) {
	s, ok = ctx.Value(streamKey).(*Stream)
	return
}
Esempio n. 3
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// FromContext returns the Trace bound to the context, if any.
func FromContext(ctx context.Context) (tr Trace, ok bool) {
	tr, ok = ctx.Value(contextKey).(Trace)
	return
}