Interesting. I just told GHC "let 5 = 3" and got no complaint. I'm curious to hear the rationale for this. Janek Dnia wtorek, 17 czerwca 2014, Alexey Muranov napisał: > Is this the expected behavior that > > 1 = 0 > > does not raise any error? What does this mean? > > Thanks. > > Alexey.