* === Assertions === * A set of `assert` functions are provided for use as a way to document * and dynamically check invariants in code. Invocations of `assert` can be elided * at compile time by providing the command line option `-Xdisable-assertions`, * which raises `-Xelide-below` above `elidable.ASSERTION`, to the `scalac` command. * * Variants of `assert` intended for use with static analysis