boolbase
two functions: One that returns true, one that returns false
has-values
Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.
connective
combine predicate (bool returning) functions with propositional logic connectives (and, or, not)
just-my-luck
A collection of utility functions for working with randomness.
kind-of
Get the native type of a value.