// 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 org.apache.tapestry5.func; /** * A generalization of {@link Mapper} for a two-input function. * * This was converted from to an interface from an abstract base class in 5.3. */ public interface Mapper2<A, B, C> { /** * Take, as input, two values (from two flows) and return a computed value of * the third type. */ C map(A first, B second); }