less-arbitrary (hackage): Ever found non-terminating Arbitrary instance? Ever wondered what would be a runtime cost of particular Arbitrary instance?  Never let it bother you again: this variant of Arbitrary is automatically generating instances, and allows you to see predictable linear time generators for most types (providing that you have any terminating constructor, that is constructor that does not go deeper into the data structure.)  Usage:
Keywords: bsd3|library|web