Of course, you are *always* free to add whatever type-annotations you wish to your program. But the program's correctness cannot be affected by them (well, again, for the archaic subset of ocaml extant in ... 1992). --chet-- On Tue, Jan 23, 2018 at 3:14 PM, Hendrik Boom wrote:\ > > > I'm starting to think that the ability to write OCaml programs without > mentioning the types is a drawback in the language, because it makes > programs hard to understand.\ >