From 7f56645ba548b540d023cd3aa0ce6fc15703191a Mon Sep 17 00:00:00 2001
From: Marc Baloup <marc.baloup@laposte.net>
Date: Wed, 12 Jun 2024 23:32:13 +0200
Subject: [PATCH] new FunctionException type

---
 .../lib/util/function/FunctionException.java  | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 pandalib-util/src/main/java/fr/pandacube/lib/util/function/FunctionException.java

diff --git a/pandalib-util/src/main/java/fr/pandacube/lib/util/function/FunctionException.java b/pandalib-util/src/main/java/fr/pandacube/lib/util/function/FunctionException.java
new file mode 100644
index 0000000..aed9402
--- /dev/null
+++ b/pandalib-util/src/main/java/fr/pandacube/lib/util/function/FunctionException.java
@@ -0,0 +1,19 @@
+package fr.pandacube.lib.util.function;
+
+/**
+ * A function that can possibly throw a checked exception.
+ * @param <T> the parameter for this function.
+ * @param <R> the return value for this function.
+ * @param <E> the exception type that this interface method can throw.
+ */
+@FunctionalInterface
+public interface FunctionException<T, R, E extends Exception> {
+    /**
+     * Run on the specified parameters to return an int value.
+     *
+     * @param t the parameter of the function.
+     * @return the result of the function.
+     * @throws E if the function fails.
+     */
+    R apply(T t) throws E;
+}