org.robovm.objc.block.DoubleBlock Maven / Gradle / Ivy
/*
* Copyright (C) 2014 RoboVM 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 org.robovm.objc.block;
/**
* Block which takes no arguments and returns a {@code double}. This is used
* to map the Objective-C {@code double (^)(void)} block type.
*/
public interface DoubleBlock {
/**
* Runs this block.
*
* @return the block return value.
*/
double invoke();
}