2006/1/20, Alessandro Baretta <a.baretta@barettadeit.com>:
> The above toplevel session shows that the associativity of newly defined
> operators depends on the name of the operator itself. Is there a general rule to
> determine the associativity of the operator?

Yep, the first letter of the operator determines its associativity.

See http://caml.inria.fr/pub/docs/manual-ocaml/manual015.html
"""
The table below shows the relative precedences and associativity of
operators and non-closed constructions. [...] For infix and prefix
symbols, we write "*..." to mean "any symbol starting with *".
"""

Best wishes,
d.