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2019-07-17 11:25:05 | ||
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#lang scribble/manual @(require pict ppict/2) @(define (textit str) (text str '(italic) 12)) @(define (node sym) (define p (textit (symbol->string sym))) (define p+ (cc-superimpose (blank (+ 10 (pict-width p)) (+ 4 (pict-height p))) p)) (tag-pict p+ sym)) @(struct arrow [src find-src tgt find-tgt label label-x label-y] #:transparent) @(define (make-arrow src find-src tgt find-tgt label [label-x 0] [label-y 0]) (arrow src find-src tgt find-tgt label label-x label-y)) @(cc-superimpose (rectangle 300 150) (ppict-do (blank 280 110) #:go (coord 0 0) (node 'A) #:go (coord 1/2 0) (node 'B) #:go (coord 1/2 1) (node 'C) #:go (coord 1 1) (node 'D) #:set (let ([pp ppict-do-state]) (for/fold ([pp pp]) ([a (list (make-arrow 'A rc-find 'B lc-find @textit{f}) (make-arrow 'A rb-find 'C lt-find @textit{g ∘ f} -45 -2) (make-arrow 'B cb-find 'C ct-find @textit{g} 8 -7) (make-arrow 'B rb-find 'D lt-find @textit{h ∘ g} 15 2) (make-arrow 'C rc-find 'D lc-find @textit{h}))]) (pin-arrow-line 7 pp (find-tag pp (arrow-src a)) (arrow-find-src a) (find-tag pp (arrow-tgt a)) (arrow-find-tgt a) #:label (arrow-label a) #:x-adjust-label (arrow-label-x a) #:y-adjust-label (arrow-label-y a))))))
=>
standard-module-name-resolver: collection not found for module path: ppict/2 collection: "ppict" in collection directories: /home/pasterack/.racket/7.3/collects /home/pasterack/racket73/collects ... [166 additional linked and package directories] context...: show-collection-err standard-module-name-resolver syntax-local-module-exports /home/pasterack/racket73/collects/racket/require-transform.rkt:266:2: expand-import /home/pasterack/racket73/collects/racket/private/reqprov.rkt:571:24 /home/pasterack/racket73/collects/racket/private/reqprov.rkt:559:5 /home/pasterack/racket73/collects/racket/require-transform.rkt:266:2: expand-import /home/pasterack/racket73/collects/racket/private/reqprov.rkt:266:21: try-next /home/pasterack/racket73/collects/racket/private/reqprov.rkt:348:21: try-next /home/pasterack/racket73/collects/racket/private/reqprov.rkt:243:2: require apply-transformer-in-context apply-transformer52 dispatch-transformer41 do-local-expand50 /home/pasterack/racket73/collects/syntax/wrap-modbeg.rkt:46:4: do-wrapping-module-begin apply-transformer-in-context ...