A Java implementation of the Option monad, but as a Java collection/Iterable. Named Possible<T> so that Possible.value(val) and Possible.emptyValue() makes sense.
An improved version of: http://git.eclipse.org/c/e4/org.eclipse.e4.utils.git/tree/bundles/org.eclipse.e4.core.functionalprog/src/org/eclipse/e4/core/functionalprog/optionmonad/
<repositories>
<repository>
<id>jitpack.io</id>
<name>Jitpack repo</name>
<url>https://jitpack.io</url>
</repository>
</repositories>