553c72ab28
Moved Racket-language, doc-generating "defthing" defines to unstable/latent-contract/defthing (will document in another commit)
101 lines
4.3 KiB
Racket
101 lines
4.3 KiB
Racket
#lang racket/base
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(require racket/contract racket/draw racket/class unstable/contract unstable/latent-contract
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unstable/latent-contract/defthing)
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(provide (except-out (all-defined-out)
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treeof
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maybe-function/c maybe-apply
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plot-colors/c pen-widths/c plot-pen-styles/c plot-brush-styles/c alphas/c
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labels/c)
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(activate-contract-out
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treeof
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maybe-function/c maybe-apply
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plot-colors/c pen-widths/c plot-pen-styles/c plot-brush-styles/c alphas/c
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labels/c)
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nat/c pos/c truth/c)
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;; ===================================================================================================
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;; Convenience
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(defcontract contract/c (or/c contract? (any/c . -> . any/c)))
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(defcontract (treeof [elem-contract contract/c])
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(or/c elem-contract
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(listof (recursive-contract (treeof elem-contract)))))
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;; ===================================================================================================
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;; Plot-specific contracts
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(defcontract anchor/c (one-of/c 'top-left 'top 'top-right
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'left 'center 'right
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'bottom-left 'bottom 'bottom-right))
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(defcontract color/c (or/c (list/c real? real? real?)
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string? symbol?
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(is-a?/c color%)))
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(defcontract plot-color/c (or/c exact-integer? color/c))
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(defcontract plot-pen-style/c (or/c exact-integer?
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(one-of/c 'transparent 'solid 'dot 'long-dash
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'short-dash 'dot-dash)))
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(defcontract plot-brush-style/c (or/c exact-integer?
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(one-of/c 'transparent 'solid
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'bdiagonal-hatch 'fdiagonal-hatch 'crossdiag-hatch
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'horizontal-hatch 'vertical-hatch 'cross-hatch)))
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(defcontract font-family/c (one-of/c 'default 'decorative 'roman 'script 'swiss
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'modern 'symbol 'system))
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(defthing known-point-symbols (listof symbol?) #:document-value
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(list 'dot 'point 'pixel
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'plus 'times 'asterisk
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'5asterisk 'odot 'oplus
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'otimes 'oasterisk 'o5asterisk
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'circle 'square 'diamond
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'triangle 'fullcircle 'fullsquare
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'fulldiamond 'fulltriangle 'triangleup
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'triangledown 'triangleleft 'triangleright
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'fulltriangleup 'fulltriangledown 'fulltriangleleft
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'fulltriangleright 'rightarrow 'leftarrow
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'uparrow 'downarrow '4star
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'5star '6star '7star
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'8star 'full4star 'full5star
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'full6star 'full7star 'full8star
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'circle1 'circle2 'circle3
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'circle4 'circle5 'circle6
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'circle7 'circle8 'bullet
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'fullcircle1 'fullcircle2 'fullcircle3
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'fullcircle4 'fullcircle5 'fullcircle6
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'fullcircle7 'fullcircle8))
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(defcontract point-sym/c (or/c char? string? integer? (apply one-of/c known-point-symbols)))
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(defcontract (maybe-function/c [in-contract contract/c] [out-contract contract/c])
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(or/c out-contract (in-contract . -> . out-contract)))
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(defproc (maybe-apply [f (maybe-function/c any/c any/c)]
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[arg any/c]) any/c
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(cond [(procedure? f) (f arg)]
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[else f]))
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(defcontract (plot-colors/c [in-contract contract/c])
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(maybe-function/c in-contract (listof plot-color/c)))
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(defcontract (pen-widths/c [in-contract contract/c])
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(maybe-function/c in-contract (listof (>=/c 0))))
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(defcontract (plot-pen-styles/c [in-contract contract/c])
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(maybe-function/c in-contract (listof plot-pen-style/c)))
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(defcontract (plot-brush-styles/c [in-contract contract/c])
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(maybe-function/c in-contract (listof plot-brush-style/c)))
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(defcontract (alphas/c [in-contract contract/c])
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(maybe-function/c in-contract (listof (real-in 0 1))))
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(defcontract (labels/c [in-contract contract/c])
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(maybe-function/c in-contract (listof (or/c string? #f))))
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