suzanne.soy/scribble-enhanced
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strengthen contract on blockss field of table struct in scribble

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original commit: f7185bec91d04a28289887947c5a394fd94914fe
This commit is contained in:
Robby Findler 2012-06-22 22:12:54 -05:00
parent e4b6652f27
commit 6137f803b2
1 changed files with 8 additions and 1 deletions
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9
collects/scribble/core.rkt
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@ -135,6 +135,12 @@
(and (string? s)
(not (regexp-match? #rx"\n" s))))
(define (same-lengths? ls)
(or (null? ls)
(let ([l1 (length (car ls))])
(andmap (λ (l) (= l1 (length l)))
(cdr ls)))))
(provide-structs
[part ([tag-prefix (or/c false/c string?)]
[tags (listof tag?)]
@ -146,7 +152,8 @@
[paragraph ([style style?]
[content content?])]
[table ([style style?]
[blockss (listof (listof (or/c block? (one-of/c 'cont))))])]
[blockss (and/c (listof (listof (or/c block? (one-of/c 'cont))))
same-lengths?)])]
[delayed-block ([resolve (any/c part? resolve-info? . -> . block?)])]
[itemization ([style style?]
[blockss (listof (listof block?))])]