func (r *resolvr) Close() {
	r.cancelFunc()
}
Close closes the resolver.
package consul
import (
	"context"
	"fmt"
	"sort"
	"time"
	"github.com/hashicorp/consul/api"
	"github.com/jpillora/backoff"
	"google.golang.org/grpc/grpclog"
	"google.golang.org/grpc/resolver"
)
func init() {
	resolver.Register(&builder{})
}
type resolvr struct {
	cancelFunc context.CancelFunc
}
func (r *resolvr) ResolveNow(resolver.ResolveNowOptions) {}