def test_ast_invalid_let():
 cant_compile(u'(let 1)')
 cant_compile(u'(let [1])')
 cant_compile(u'(let [a 1 2])')
 cant_compile(u'(let [a])')
 cant_compile(u'(let [1])')

def test_ast_invalid_let ( ) : cant_compile ( u'(let 1)' ) cant_compile ( u'(let [1])' ) cant_compile ( u'(let [a 1 2])' ) cant_compile ( u'(let [a])' ) cant_compile ( u'(let [1])' )
make sure ast cant compile invalid let .