nelmio/alice — pull request #23 by nikita2206 (2013-03-01 13:32:52+00:00)
Title: Handle unique fields

Hi, I implemented it in the way I proposed because there's problem with syntax: this unique keyword can be parsed as a part of expression but we can have a several of expressions for one field (e.g. , or even worse: it can be ternary condition).
I couldn't come up with better syntax, so I left it as it was...