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Here is the latest Caml Weekly News, for the week of April 16 to 23, 2013.

  1. first release of dolog: the dumb ocaml logger
  2. Other Caml News

first release of dolog: the dumb ocaml logger


Francois Berenger announced:
After an 'opam update', you should be able to see the dolog package.

Here is its minimalistic interface definition:
type log_level = FATAL | ERROR | WARN | INFO | DEBUG

val set_log_level : log_level -> unit
val set_output : out_channel -> unit

val fatal : string Lazy.t -> unit
val error : string Lazy.t -> unit
val warn : string Lazy.t -> unit
val info : string Lazy.t -> unit
val debug : string Lazy.t -> unit

The full source code can be found here:

The license is a BSD one.

I believe the more complete logging alternative
is Xavier Clerc's Bolt (

Other Caml News

From the ocamlcore planet blog:
Thanks to Alp Mestan, we now include in the Caml Weekly News the links to the
recent posts from the ocamlcore planet blog at

April Monthly Report:

My thesis is out!:

Non-determinism and sequence points in C:

Old cwn

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Alan Schmitt