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0 pointsmercurial10y ago0 comments

> The idea is you can write this:

> let _ = print_string "foo"

> let _ = print_string "bar"

> at the top level.

Ah. Well, the solution is not use "let _" or ";;", the solution is to avoid sociopathic code like that. Module definition with built-in, unavoidable side effects are evil.

0 comments

lpw2510y ago

You need at least one module that does something at top-level, otherwise your program won't do anything.

jordwalke10y ago

For serious development, yes, but consider the people who are learning OCaml. One of the first programs is going to be some kind of side effecting hello world etc.