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package userid
import "context"
type contextKey struct{}
// NewContext returns a new context with the given user ID added to the
// context.
// TODO(hs): this doesn't seem to be used / set currently; implement
// when/where it makes sense.
func NewContext(ctx context.Context, userID string) context.Context {
return context.WithValue(ctx, contextKey{}, userID)
}
// FromContext returns the user ID from the context if it exists
// and is not empty.
func FromContext(ctx context.Context) (string, bool) {
v, ok := ctx.Value(contextKey{}).(string)
return v, ok && v != ""
}
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