implemented the exception throwed by supplier execution

build.gradle

@@ -12,5 +12,5 @@ repositories {
 }
 
 dependencies {
-    testCompile group: 'junit', name: 'junit', version: '4.12'
+    testImplementation group: 'junit', name: 'junit', version: '4.12'
 }

jmonad.iml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module external.linked.project.id="jmonad" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" external.system.module.group="com.bvn13" external.system.module.version="1.0-SNAPSHOT" type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/.gradle" />
+      <excludeFolder url="file://$MODULE_DIR$/build" />
+      <excludeFolder url="file://$MODULE_DIR$/out" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

jmonad.main.iml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module external.linked.project.id="jmonad:main" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" external.system.module.group="com.bvn13" external.system.module.type="sourceSet" external.system.module.version="1.0-SNAPSHOT" type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
+    <output url="file://$MODULE_DIR$/out/production/classes" />
+    <exclude-output />
+    <content url="file://$MODULE_DIR$/src/main">
+      <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

jmonad.test.iml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module external.linked.project.id="jmonad:test" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" external.system.module.group="com.bvn13" external.system.module.type="sourceSet" external.system.module.version="1.0-SNAPSHOT" type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
+    <output-test url="file://$MODULE_DIR$/out/test/classes" />
+    <exclude-output />
+    <content url="file://$MODULE_DIR$/src/test">
+      <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="module" module-name="jmonad.main" />
+    <orderEntry type="library" scope="TEST" name="Gradle: junit:junit:4.12" level="project" />
+    <orderEntry type="library" scope="TEST" name="Gradle: org.hamcrest:hamcrest-core:1.3" level="project" />
+  </component>
+  <component name="TestModuleProperties" production-module="jmonad.main" />
+</module>

src/main/java/com/bvn13/jmonad/Failure.java

@@ -49,6 +49,11 @@ public class Failure<T> extends Try<T> {
         throw e;
     }
 
+    @Override
+    public T orElseThrow() throws Throwable {
+        throw e;
+    }
+
     @Override
     public Optional<T> toOptional() {
         return Optional.empty();

src/main/java/com/bvn13/jmonad/Success.java

@@ -51,7 +51,11 @@ public class Success<T> extends Try<T> {
 
     @Override
     public T orElseThrow(Throwable e) throws Throwable {
-        Objects.requireNonNull(e);
+        return value;
+    }
+
+    @Override
+    public T orElseThrow() throws Throwable {
         return value;
     }
 

src/main/java/com/bvn13/jmonad/Try.java

@@ -42,6 +42,8 @@ public abstract class Try<T> {
 
     public abstract T orElseThrow(Throwable e) throws Throwable;
 
+    public abstract T orElseThrow() throws Throwable;
+
     public abstract Optional<T> toOptional();
 
     public abstract boolean isSuccess();