From GH PR #116: https://github.com/apache/cassandra/pull/116
I am a graduate student at Oregon State University and as a part of my research and subject CS562 Applied Software Engineering project (Study and Refactoring of Functional Interface in Java), I have done refactoring of the Function<T,Integer> to ToIntFunction. My project deals with the boxing and unboxing of Wrapper class and the primitive data-types. I want to know that whether the open source community is ready to accept these micro-optimizing refactorings or not.
Trivial patch, but it's right and low risk.