====
>>> main.whiley
public export method test():
   assert 0**1 == 0
   assert 0**2 == 0
   assert 0**3 == 0
   assert 0**4 == 0
   assert 0**5 == 0
   assert 0**6 == 0
   assert 0**7 == 0
   //
   assert 1**0 == 1
   assert 1**1 == 1
   assert 1**2 == 1
   assert 1**3 == 1
   assert 1**4 == 1
   assert 1**5 == 1
   assert 1**6 == 1
   assert 1**7 == 1
   //
   assert 2**0 == 1
   assert 2**1 == 2
   assert 2**2 == 4
   assert 2**3 == 8
   assert 2**4 == 16
   assert 2**5 == 32
   assert 2**6 == 64
   assert 2**7 == 128
   //
   assert 3**0 == 1
   assert 3**1 == 3
   assert 3**2 == 9
   assert 3**3 == 27
   assert 3**4 == 81
   assert 3**5 == 243
   assert 3**6 == 729
   assert 3**7 == 2187   
---