JetBrains/kotlin — pull request #387 by jdkaplan (2014-02-24 05:34:30+00:00)
Title: Implemented Operator To Function intention action.

Converts +a, --a, a * b, a..b, a %= b, a in b, etc. to their function call counterparts.

I realize this is going to need a lot of work, but I thought it would be useful to show a functional (albeit ugly) version.