Initial commit

.gitignore

@@ -1,6 +1,6 @@
 *.class
-
-# Package Files #
 *.jar
-*.war
-*.ear
+
+src/main/xtend-gen
+src/test/xtend-gen
+/target

pom.xml

@@ -0,0 +1,73 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>com.github.xtension</groupId>
+  <artifactId>xtension</artifactId>
+  <version>0.1-SNAPSHOT</version>
+
+  <properties>
+    <xtend.version>2.4.2</xtend.version>
+    <guava.version>14.0.1</guava.version>
+    <java.version>1.6</java.version>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>com.google.guava</groupId>
+      <artifactId>guava</artifactId>
+      <version>${guava.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.xtend</groupId>
+      <artifactId>org.eclipse.xtend.lib</artifactId>
+      <version>${xtend.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>4.11</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.assertj</groupId>
+      <artifactId>assertj-core</artifactId>
+      <version>1.3.0</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.1</version>
+        <configuration>
+          <source>${java.version}</source>
+          <target>${java.version}</target>
+          <encoding>${project.build.sourceEncoding}</encoding>
+        </configuration>
+      </plugin>
+
+      <plugin>
+        <groupId>org.eclipse.xtend</groupId>
+        <artifactId>xtend-maven-plugin</artifactId>
+        <version>${xtend.version}</version>
+        <executions>
+          <execution>
+            <goals>
+              <goal>compile</goal>
+              <goal>testCompile</goal>
+            </goals>
+            <configuration>
+              <outputDirectory>src/main/xtend-gen</outputDirectory>
+              <testOutputDirectory>src/test/xtend-gen</testOutputDirectory>
+              <encoding>${project.build.sourceEncoding}</encoding>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>

src/main/java/com/github/xtension/ComparableExtensions.xtend

@@ -0,0 +1,25 @@
+package com.github.xtension
+
+import com.google.common.annotations.Beta
+
+final class ComparableExtensions {
+
+	private new() {
+	}
+
+	/**
+	 * Determines whether the value is in [start, end] range (start included, end included).
+	 */
+	@Beta
+	def static <C> boolean isBetween(Comparable<? super C> obj, C start, C end) {
+		obj.compareTo(start) >= 0 && obj.compareTo(end) <= 0
+	}
+
+	/**
+	 * Determines whether the value value is in (start, end) range (start excluded, end excluded).
+	 */
+	@Beta
+	def static <C> boolean isStrictlyBetween(Comparable<? super C> obj, C start, C end) {
+		obj.compareTo(start) > 0 && obj.compareTo(end) < 0
+	}
+}