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Posted to commits@commons.apache.org by gg...@apache.org on 2021/08/27 15:16:53 UTC
[commons-lang] branch master updated: Add IntToCharFunction.
This is an automated email from the ASF dual-hosted git repository.
ggregory pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-lang.git
The following commit(s) were added to refs/heads/master by this push:
new 3f9422a Add IntToCharFunction.
3f9422a is described below
commit 3f9422aec44c31536d101e8088112d27ded5c1d7
Author: Gary Gregory <ga...@gmail.com>
AuthorDate: Fri Aug 27 11:16:49 2021 -0400
Add IntToCharFunction.
---
src/changes/changes.xml | 1 +
.../commons/lang3/function/IntToCharFunction.java | 44 ++++++++++++++++++++++
.../lang3/function/IntToCharFunctionTest.java | 34 +++++++++++++++++
3 files changed, 79 insertions(+)
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index 4b0e27d..d681839 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -71,6 +71,7 @@ The <action> type attribute can be add,update,fix,remove.
<action type="add" dev="ggregory" due-to="Gary Gregory">Add and use ArrayUtils.setAll(T[], IntFunction).</action>
<action type="add" dev="ggregory" due-to="Gary Gregory">Add and use ArrayUtils.setAll(T[], Supplier).</action>
<action type="add" dev="ggregory" due-to="Gary Gregory">Add BooleanConsumer.</action>
+ <action type="add" dev="ggregory" due-to="Gary Gregory">Add IntToCharFunction.</action>
<!-- UPDATE -->
<action type="update" dev="ggregory" due-to="Dependabot, Gary Gregory">Bump spotbugs-maven-plugin from 4.2.0 to 4.2.3 #735.</action>
<action type="update" dev="ggregory" due-to="Dependabot, XenoAmess">Bump Bump actions/cache from v2.1.4 to v2.1.6 #742, #752, #764.</action>
diff --git a/src/main/java/org/apache/commons/lang3/function/IntToCharFunction.java b/src/main/java/org/apache/commons/lang3/function/IntToCharFunction.java
new file mode 100644
index 0000000..f3da384
--- /dev/null
+++ b/src/main/java/org/apache/commons/lang3/function/IntToCharFunction.java
@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.commons.lang3.function;
+
+import java.util.function.Function;
+
+/**
+ * Represents a function that accepts an int-valued argument and produces a long-valued result. This is the
+ * {@code int}-to-{@code long} primitive specialization for {@link Function}.
+ *
+ * <p>
+ * This is a <a href="package-summary.html">functional interface</a> whose functional method is
+ * {@link #applyAsChar(int)}.
+ * </p>
+ *
+ * @see Function
+ * @since 3.13.0
+ */
+@FunctionalInterface
+public interface IntToCharFunction {
+
+ /**
+ * Applies this function to the given argument.
+ *
+ * @param value the function argument.
+ * @return the function result.
+ */
+ char applyAsChar(int value);
+}
diff --git a/src/test/java/org/apache/commons/lang3/function/IntToCharFunctionTest.java b/src/test/java/org/apache/commons/lang3/function/IntToCharFunctionTest.java
new file mode 100644
index 0000000..63bb53e
--- /dev/null
+++ b/src/test/java/org/apache/commons/lang3/function/IntToCharFunctionTest.java
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.commons.lang3.function;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.api.Test;
+
+/**
+ * Tests {@link IntToCharFunction}.
+ */
+public class IntToCharFunctionTest {
+
+ @Test
+ public void test() {
+ final IntToCharFunction func = i -> (char) i;
+ assertEquals('A', func.applyAsChar(65));
+ }
+}