Reserved Keywords

Note: Some of these words are reserved purely for backward compatibility.

• and

• as

• assert

• begin

• class

• constraint

• do

• done

• downto (also see to)

• else (used with if)

• end

• esfun

• exception

• external

• false (a bool, along with true)

• for

• fun

• function

• functor

• if

• in

• include

• inherit

• initializer

• lazy

• let

• module

• mutable

• new

• nonrec

• object

• of

• open

• or

• pri

• pub

• rec

• sig

• struct

• switch

• then

• to

• true

• try

• type

• val

• virtual

• when

• while

• with