propeller.problems.PSB2.solve-boolean

===========  PROBLEM DESCRIPTION  ================================
SOLVE BOOLEAN from PSB2
Given a string representing a Boolean
expression consisting of T, F, |, and &, evaluate it and return
the resulting Boolean.

Source: https://arxiv.org/pdf/2106.06086.pdf
==================================================================

-main

(-main & args)
Runs propel-gp, giving it a map of arguments.

error-function

(error-function argmap data individual)
Finds the behaviors and errors of an individual: Error is 0 if the value and
the program's selected behavior match, or 1 if they differ, or 1000000 if no
behavior is produced. The behavior is here defined as the final top item on
the BOOLEAN stack.

instructions

stack-specific instructions, input instructions, close, and constants

train-and-test-data