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document the #:missing-party argument to raise-blame-error

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closes #1658
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Robby Findler 2017-04-08 18:55:03 -05:00
parent 9d26d675a7
commit d224da3105
1 changed files with 7 additions and 1 deletions
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pkgs/racket-doc/scribblings/reference/contracts.scrbl
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@ -2375,6 +2375,7 @@ of the blame object and the negative party should be used instead.
} }
@defproc[(raise-blame-error [b blame?] @defproc[(raise-blame-error [b blame?]
[#:missing-party missing-party #f]
[v any/c] [v any/c]
[fmt (or/c string? [fmt (or/c string?
(listof (or/c string? (listof (or/c string?
@ -2386,7 +2387,12 @@ of the blame object and the negative party should be used instead.
Signals a contract violation. The first argument, @racket[b], records the Signals a contract violation. The first argument, @racket[b], records the
current blame information, including positive and negative parties, the name of current blame information, including positive and negative parties, the name of
the contract, the name of the value, and the source location of the contract the contract, the name of the value, and the source location of the contract
application. The second argument, @racket[v], is the value that failed to application. The @racket[#:missing-party] argument supplies one of the blame
parties. It should be non-@racket[#f] when the @racket[b] object was created
without supplying a negative party. See @racket[blame-add-missing-party] and
the description of the @racket[_late-neg-proj] argument of @racket[make-contract].
The second positional argument, @racket[v], is the value that failed to
satisfy the contract. satisfy the contract.
The remaining arguments are a format string, The remaining arguments are a format string,