Docs / Language Manual / Reserved Keyword
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You are currently looking at the v6.0 - v8.2 docs (Reason v3.6 syntax edition). You can find the latest manual page here.

(These docs are equivalent to the old BuckleScript docs before the ReScript rebrand)

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

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