Documentation

Parse the group string format as defined in Day 9. Parse result is a vector containing the group score and garbage character count.

Parse a angle-bracket bracketed region of characters and return the number of non-ignored, contained characters. Characters including and following a ! are ignored inside garbgae.

Starting parser named with a single letter to work with format.

Print solution for Day 9. Puzzle input can be overriden by command-line argument.

>>> :main
14212
6569