E1:     C1 CALL pred lambdatest.main/2-0 (det) lambdatest.m:17
mdb> mdb> echo on
Command echo enabled.
mdb> procedures lambdatest
List of procedures in module `lambdatest'

pred lambdatest.main/2-0 (det)
func lambdatest.polycall/2-0 (det)
func lambdatest.lambda_lambdatest_m_18/1-0 (det)
func lambdatest.lambda2_lambdatest_m_18/1-0 (det)
mdb> break lambda_lambdatest_m_18
 0: + stop  interface func lambdatest.lambda_lambdatest_m_18/1-0 (det)
mdb> c
      E2:     C2 CALL func lambdatest.lambda_lambdatest_m_18/1-0 (det) lambdatest.m:18 (lambdatest.m:26)
mdb> f
      E3:     C2 EXIT func lambdatest.lambda_lambdatest_m_18/1-0 (det) lambdatest.m:18 (lambdatest.m:26)
mdb> p
lambda_lambdatest_m_18(1) = 2
mdb> break lambda2_lambdatest_m_18
 1: + stop  interface func lambdatest.lambda2_lambdatest_m_18/1-0 (det)
mdb> c
      E4:     C3 CALL func lambdatest.lambda2_lambdatest_m_18/1-0 (det) lambdatest.m:18 (lambdatest.m:26)
mdb> f
      E5:     C3 EXIT func lambdatest.lambda2_lambdatest_m_18/1-0 (det) lambdatest.m:18 (lambdatest.m:26)
mdb> p
lambda2_lambdatest_m_18(2) = 4
mdb> quit -y