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open-place
5.3.2

21 Open place expressions

This library is unstable; compatibility will not be maintained. See Unstable: May Change Without Warning for more information.

 (require unstable/open-place)

The subsequent bindings were added by Sam Tobin-Hochstadt <samth@racket-lang.org>.

syntax

(open-place id body ...+)

Like (place id body ...), but body ... may have free lexical variables, which are automatically sent to the newly-created place. Note that these variables must have values accepted by place-message-allowed?, otherwise an exn:fail:contract exception is raised.