camlp4 under toplevel
git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@3994 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02master
parent
feb0a2bdfc
commit
4174f885ba
|
@ -1,5 +1,5 @@
|
|||
|
||||
FAQ: how to upgrade from Objective Caml 3.02 to 3.03-alpha
|
||||
FAQ: how to upgrade from Objective Caml 3.02 to 3.03
|
||||
|
||||
I Installation
|
||||
|
||||
|
@ -18,14 +18,15 @@ Q2: I get a syntax error when I try to compile a program using stream
|
|||
|
||||
A2: Stream parser now require camlp4. It is included in the
|
||||
distribution, and you just need to use "ocamlc -pp camlp4o" in
|
||||
place of "ocamlc".
|
||||
place of "ocamlc". You can also use it under the toplevel with
|
||||
#load"camlp4o.cma".
|
||||
|
||||
Q3: I get a warning when I use the syntax "#variant" inside type
|
||||
expressions.
|
||||
|
||||
A3: The new syntax is [< variant], which just a special case of
|
||||
the more general new syntax, which allows type expressions like
|
||||
[ variant1 | variant2] of [> variant]. See the reference manual
|
||||
[ variant1 | variant2] or [> variant]. See the reference manual
|
||||
for details.
|
||||
|
||||
III Label changes
|
||||
|
|
Loading…
Reference in New Issue