passerine 0.9.2

A small extensible functional scripting language designed for concise expression with little code.
Documentation 
-- action: run
-- outcome: success
-- expect: 15.5

5.0 * 4.0 + 3.0 / 2.0 + 1.0 - 2.0 + 1.0 * (3.0 - 2.0 * 4.0)