minor clarification to specify #:opaque more fully

This commit is contained in:
Robby Findler 2014-01-31 09:20:14 -06:00
parent 4ecba66b8d
commit b7bd13aedd

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@ -1781,7 +1781,7 @@ Methods and fields listed in an @racket[absent] clause must @emph{not} be presen
A class contract can be specified to be @emph{opaque} with the @racket[#:opaque]
keyword. An opaque class contract will only accept a class that defines
exactly the methods and fields specified by the contract. A contract error
exactly the external methods and fields specified by the contract. A contract error
is raised if the contracted class contains any methods or fields that are
not specified.