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fixes struct contract violation message #2999

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fixes struct contract violation message #2999

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15 changes: 8 additions & 7 deletions racket/collects/racket/contract/region.rkt
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Original file line number Diff line number Diff line change
Expand Up @@ -477,21 +477,22 @@
(syntax/loc stx
(begin
(define-values () (begin auto-check ... (values)))
(define (guard super-field ... non-auto-name ... struct-name)
(values super-field ... non-auto-name ...))
(define blame-id
(current-contract-region))
(define-values (temp-maker-name ... return-values ...) (let () (with-contract #:region struct struct-name
ctc-bindings
(define guarded-values (contract (-> super-contract ... non-auto-contracts ... any)
values
(current-contract-region) blame-id
(quote maker)
(quote-srcloc maker)))
(define (guard super-field ... non-auto-name ... struct-name)
(guarded-values super-field ... non-auto-name ...))
(define-struct/derived orig struct-definition-field (field ...)
constructor-name ...
omit-stx-def ...
kwds ...
#:guard (contract (-> super-contract ... non-auto-contracts ... symbol? an 5786 y)
guard
(current-contract-region) blame-id
(quote maker)
(quote-srcloc maker))))
#:guard guard))
(values maker-value ... return-values ...)))
define-returned-value-temps
stx-def ...)))))))))]
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