-- -*- M2-comint -*- hash: 12433537264985447798

i1 : stopIfError = false;

i2 : assert( (2+2) === 4)

i3 : assert(rank matrix {{1, 2}, {2, 4}} == 2)
stdio:3:6:(3): error: assertion failed

i4 : assert Equation(rank matrix {{1, 2}, {2, 4}}, 2)
stdio:4:6:(3): error: assertion failed:
1 == 2 is false

i5 : 
