def test_bind3():
t1 = T('SP(A;1)')
t2 = T('C')
m = t1.match_expr(t2)
print format_variables(m)
assert len(m) == 1
assert m['C'] == T('SP(A;1)')
def test_bind_implicit1():
t1 = T('BB(A;{0,1};A)')
# we should be able to get that A
# should be a Space and a number
t2 = T('BB(X;Y;Z)')
print t1
print t2
m = t1.match_expr(t2)
print format_variables(m)
def test_bind5():
t1 = T('A x A')
t2 = T('C x {0,2}')
m = t1.match_expr(t2)
print
print t1
print t2
print format_variables(m)
assert len(m) == 1
assert m['A'] == T('C∩{0,2}')
def test_bind4():
t1 = T('A->(B x A)')
t2 = T('C->({0,2}x{0,1})')
print t1
print t2
m = t1.match_expr(t2)
print format_variables(m)
assert len(m) == 2
assert m['A'] == T('C∩{0,1}')
assert m['B'] == T('{0,2}')