> 
> This would allow you to do:
> let _ = stdout <$ "Hello " <$ first_name <$ " " <$ last_name <$ "! It is "
> <$ (string_of_int time) <$ " o'clock.\n";;
> 
> Not quite as clean, but close, and it doesn't require p4.
> 

With "old" printf approach, you write something like:
let _ =
   printf "Hello %s %s! It is %i o'clock.\n" first_name last_name time

Matter of taste: I prefer the printf version.

More generally, I have found the printf approach (more precisely OCaml's 
Format 'magic' standard module) of incredible power and flexibility, if 
  (and only if :-) ) used consistently through *all* your program. This 
is especially true when you generate "big" documents, where you compose 
recursively many "nice" ways to pretty-print your result(s).

Jean-Marc Eber


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