Bug 511309 - Add a BiDoubleFunction to reduce the amount of auto-boxing

1 files changed, 34 insertions, 0 deletions

diff --git a/bundles/runtime/org.eclipse.fx.core/src/org/eclipse/fx/core/function/BiDoubleFunction.java b/bundles/runtime/org.eclipse.fx.core/src/org/eclipse/fx/core/function/BiDoubleFunction.java
new file mode 100644
index 000000000..1ac229c7e
--- /dev/null
+++ b/bundles/runtime/org.eclipse.fx.core/src/org/eclipse/fx/core/function/BiDoubleFunction.java
@@ -0,0 +1,34 @@
+/*******************************************************************************
+ * Copyright (c) 2017 BestSolution.at and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Tom Schindl<tom.schindl@bestsolution.at> - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.fx.core.function;
+
+import java.util.function.BiFunction;
+
+/**
+ * Represents a function that accepts a two double-valued argument and produces
+ * a result. This is the {@code double}-consuming primitive specialization for
+ * {@link BiFunction}.
+ *
+ * @param <R>
+ *            the type of the result of the function
+ * @since 3.0
+ */
+public interface BiDoubleFunction<R> {
+	/**
+	 * Applies this function to the given arguments.
+	 *
+	 * @param t
+	 * @param u
+	 * @return the function result
+	 */
+	public R apply(double t, double u);
+
+}