tree f9a87d01b71a1cd464979870a36d99ee72834ac3
parent 569f135862b7a00a1ec59d1f000e376cef9648f5
author Jack Palevich <jackpal@google.com> 1246410596 -0700
committer Jack Palevich <jackpal@google.com> 1246410596 -0700

Add a type system.

We now track the declared type of variables and functions.