and
as
assert
asr
begin
class
constraint
do
done
downto
else
end
exception
external
false
for
fun
function
functor
if
in
include
inherit
initializer
land
lazy
let
lor
lsl
lsr
lxor
match
method
mod
module
mutable
new
object
of
open
or
private
rec
sig
struct
then
to
true
try
type
val
virtual
when
while
with
option
Some
None
ignore
ref
lnot
succ
pred
array
bool
char
float
int
list
string
unit