Hello,

It is documented in stdlib reference:

  https://caml.inria.fr/pub/docs/manual-ocaml/libref/Pervasives.html

Best wishes,
Nicolás

On Tue, Nov 21, 2017 at 5:10 PM, SF Markus Elfring <
elfring@users.sourceforge.net> wrote:

> Hello,
>
> The programming language “OCaml” supports the concatenation of strings by
> a few interfaces.
>
> Two of them like “Printf.sprintf” and “String.concat” are documented to
> some degree.
> I wonder about the current situation around the operator “^”.
>
> * Is a more useful explanation missing in the official OCaml manual?
>   https://caml.inria.fr/pub/docs/manual-ocaml/coreexamples.html#sec9
>   https://caml.inria.fr/pub/docs/manual-ocaml/lex.html#sec82
>
> * It is mentioned in the section “Optional Arguments” of the book “Real
> World OCaml”.
>   https://realworldocaml.org/v1/en/html/variables-and-
> functions.html#idm181619803616
>
> * Syntax comparison
>   http://rigaux.org/language-study/syntax-across-languages/
> Strng.html#StrngStrnCnct
>
> Regards,
> Markus
>
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