Fantasy Eithers
General
The either type encodes two possible result types. The
Left
constructor wraps one of those types (typically an error value)
and Right
wraps another (usually a success).
Testing
Library
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.
Coverage
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