OCaml implementation of operations in Program Algebra

Taddeus Kroes 3e754a515d Better errors for unmatching parentheses %!s(int64=11) %!d(string=hai) anos
.gitignore 9340893b20 Added basic PGA parser and printer %!s(int64=11) %!d(string=hai) anos
Makefile 9340893b20 Added basic PGA parser and printer %!s(int64=11) %!d(string=hai) anos
parse.ml 3e754a515d Better errors for unmatching parentheses %!s(int64=11) %!d(string=hai) anos
pga.ml 23418c16e1 Added better error checking %!s(int64=11) %!d(string=hai) anos
stringify.ml 23418c16e1 Added better error checking %!s(int64=11) %!d(string=hai) anos
types.ml 23418c16e1 Added better error checking %!s(int64=11) %!d(string=hai) anos