Wraps Maybe with an an API that mimics Java 8's optionals with some functional flavor added in.
Note: 1.0.0 is probably the final, stable release as I've moved on to Kotlin for the most part.
gradle:
compile 'com.carterhudson.tools:rxoptional:1.0.0'
Copyright 2014 Netflix, Inc.
Copyright 2017 Carter Hudson
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