Fantasy Eithers


General

The option type encodes the presence and absence of a value. The
Some constructor represents a value and None represents the
absence.

Testing

$3

Fantasy Eithers uses nodeunit for
all the tests and because of this there is currently an existing
adapter in the library to help with integration
between nodeunit and Fantasy Check.

$3

Currently Fantasy Check is using Istanbul
for code coverage analysis; you can run the coverage via the following
command:

_This assumes that you have istanbul installed correctly._

``
istanbul cover nodeunit -- test/*.js
``