Compare.pi

// may seem simple, but
// this has to deal with comments

// and blank lines

// and executing things and stuff
1 1 + 2 == assert

// but it shows that the core systems are all up

true assert 

true true and assert

depth 0 == assert

1 1 and assert

"foo" "bar" and assert

"spam" 42 and assert

true false or assert

false false and not assert

false true or assert

false not assert 

true not not assert 

false not true and assert

// TODO:
//1 2 less assert
//2 1 greater assert