magnolify.guava.auto.package.scala Maven / Gradle / Ivy
/*
* Copyright 2019 Spotify AB.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package magnolify.guava
import com.google.common.hash.Funnel
import magnolify.guava.semiauto.FunnelImplicits
import scala.language.experimental.macros
import scala.reflect.macros._
package object auto extends FunnelImplicits {
def genFunnelMacro[T: c.WeakTypeTag](c: whitebox.Context): c.Tree = {
import c.universe._
val wtt = weakTypeTag[T]
q"""_root_.magnolify.guava.semiauto.FunnelDerivation.apply[$wtt]"""
}
implicit def genFunnel[T]: Funnel[T] = macro genFunnelMacro[T]
val FunnelDerivation = semiauto.FunnelDerivation
}