#reader(lib"read.ss""wxme")WXME0108 ## #| This file uses the GRacket editor format. Open this file in DrRacket version 6.10.0.1 or later to read it. Most likely, it was created by saving a program in DrRacket, and it probably contains a program with non-text elements (such as images or comment boxes). http://racket-lang.org/ |# 33 7 #"wxtext\0" 3 1 6 #"wxtab\0" 1 1 8 #"wximage\0" 2 0 8 #"wxmedia\0" 4 1 34 #"(lib \"syntax-browser.ss\" \"mrlib\")\0" 1 0 36 #"(lib \"cache-image-snip.ss\" \"mrlib\")\0" 1 0 68 ( #"((lib \"image-core.ss\" \"mrlib\") (lib \"image-core-wxme.rkt\" \"mr" #"lib\"))\0" ) 1 0 16 #"drscheme:number\0" 3 0 44 #"(lib \"number-snip.ss\" \"drscheme\" \"private\")\0" 1 0 36 #"(lib \"comment-snip.ss\" \"framework\")\0" 1 0 93 ( #"((lib \"collapsed-snipclass.ss\" \"framework\") (lib \"collapsed-sni" #"pclass-wxme.ss\" \"framework\"))\0" ) 0 0 43 #"(lib \"collapsed-snipclass.ss\" \"framework\")\0" 0 0 19 #"drscheme:sexp-snip\0" 0 0 29 #"drscheme:bindings-snipclass%\0" 1 0 101 ( #"((lib \"ellipsis-snip.rkt\" \"drracket\" \"private\") (lib \"ellipsi" #"s-snip-wxme.rkt\" \"drracket\" \"private\"))\0" ) 2 0 88 ( #"((lib \"pict-snip.rkt\" \"drracket\" \"private\") (lib \"pict-snip.r" #"kt\" \"drracket\" \"private\"))\0" ) 0 0 55 #"((lib \"snip.rkt\" \"pict\") (lib \"snip-wxme.rkt\" \"pict\"))\0" 1 0 34 #"(lib \"bullet-snip.rkt\" \"browser\")\0" 0 0 25 #"(lib \"matrix.ss\" \"htdp\")\0" 1 0 22 #"drscheme:lambda-snip%\0" 1 0 29 #"drclickable-string-snipclass\0" 0 0 26 #"drracket:spacer-snipclass\0" 0 0 57 #"(lib \"hrule-snip.rkt\" \"macro-debugger\" \"syntax-browser\")\0" 1 0 26 #"drscheme:pict-value-snip%\0" 0 0 45 #"(lib \"image-snipr.ss\" \"slideshow\" \"private\")\0" 1 0 38 #"(lib \"pict-snipclass.ss\" \"slideshow\")\0" 2 0 55 #"(lib \"vertical-separator-snip.ss\" \"stepper\" \"private\")\0" 1 0 18 #"drscheme:xml-snip\0" 1 0 31 #"(lib \"xml-snipclass.ss\" \"xml\")\0" 1 0 21 #"drscheme:scheme-snip\0" 2 0 34 #"(lib \"scheme-snipclass.ss\" \"xml\")\0" 1 0 10 #"text-box%\0" 1 0 32 #"(lib \"text-snipclass.ss\" \"xml\")\0" 1 0 1 6 #"wxloc\0" 0 0 85 0 1 #"\0" 0 75 1 #"\0" 0 12 90 -1 90 -1 3 -1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 255 255 255 1 -1 0 9 #"Standard\0" 0 75 17 #"DejaVu Sans Mono\0" 0 24 91 -1 90 -1 3 -1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 255 255 255 1 -1 2 1 #"\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 -1 -1 2 24 #"framework:default-color\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 150 0 150 0 0 0 -1 -1 2 15 #"text:ports out\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 150 0 150 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 93 -1 -1 -1 0 0 0 0 0 0 0 0 0 1.0 1.0 1.0 255 0 0 0 0 0 -1 -1 2 15 #"text:ports err\0" 0 -1 1 #"\0" 1 0 -1 -1 93 -1 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 255 0 0 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 175 0 0 0 -1 -1 2 17 #"text:ports value\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 0 0 175 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1.0 0 92 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1.0 1.0 1.0 34 139 34 0 0 0 -1 -1 2 27 #"Matching Parenthesis Style\0" 0 -1 1 #"\0" 1.0 0 92 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1.0 1.0 1.0 34 139 34 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1 0 90 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 38 38 128 0 0 0 -1 -1 2 37 #"framework:syntax-color:scheme:symbol\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 38 38 128 0 0 0 -1 -1 2 38 #"framework:syntax-color:scheme:keyword\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 38 38 128 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1 0 90 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 194 116 31 0 0 0 -1 -1 2 38 #"framework:syntax-color:scheme:comment\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 194 158 31 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1 0 90 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 41 128 38 0 0 0 -1 -1 2 37 #"framework:syntax-color:scheme:string\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 211 72 255 0 0 0 -1 -1 2 35 #"framework:syntax-color:scheme:text\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 41 128 38 0 0 0 -1 -1 2 39 #"framework:syntax-color:scheme:constant\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 211 72 255 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 132 60 36 0 0 0 -1 -1 2 49 #"framework:syntax-color:scheme:hash-colon-keyword\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 132 60 36 0 0 0 -1 -1 2 42 #"framework:syntax-color:scheme:parenthesis\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 0 150 255 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 255 0 0 0 0 0 -1 -1 2 36 #"framework:syntax-color:scheme:error\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 255 0 0 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 -1 -1 2 36 #"framework:syntax-color:scheme:other\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 -1 -1 2 16 #"Misspelled Text\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1 0 90 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 81 112 203 0 0 0 -1 -1 2 38 #"drracket:check-syntax:lexically-bound\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 81 112 203 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1 0 92 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 81 112 203 0 0 0 -1 -1 2 28 #"drracket:check-syntax:set!d\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 178 34 34 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1 0 90 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 255 0 0 0 0 0 -1 -1 2 37 #"drracket:check-syntax:unused-require\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 255 0 0 0 0 0 -1 -1 2 36 #"drracket:check-syntax:free-variable\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 255 0 0 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1 0 90 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 68 0 203 0 0 0 -1 -1 2 31 #"drracket:check-syntax:imported\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 68 0 203 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1 0 90 -1 -1 93 -1 -1 1 0 0 0 0 0 0 0 0 1 1 1 178 34 34 0 0 0 -1 -1 2 47 #"drracket:check-syntax:my-obligation-style-pref\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 178 34 34 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1 0 90 -1 90 -1 -1 -1 1 0 0 0 0 0 0 0 0 1 1 1 0 116 0 0 0 0 -1 -1 2 50 #"drracket:check-syntax:their-obligation-style-pref\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 0 116 0 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1 0 90 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 -1 -1 2 48 #"drracket:check-syntax:unk-obligation-style-pref\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1 0 90 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 139 142 28 0 0 0 -1 -1 2 49 #"drracket:check-syntax:both-obligation-style-pref\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 139 142 28 0 0 0 -1 -1 2 26 #"plt:htdp:test-coverage-on\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 1 0 0 0 0 0 0 255 165 0 0 0 0 -1 -1 2 27 #"plt:htdp:test-coverage-off\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 1 0 0 0 0 0 0 255 165 0 0 0 0 -1 -1 4 1 #"\0" 0 70 1 #"\0" 1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 1.0 1.0 1.0 1.0 1.0 1.0 0 0 0 0 0 0 -1 -1 4 4 #"XML\0" 0 70 1 #"\0" 1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 1.0 1.0 1.0 1.0 1.0 1.0 0 0 0 0 0 0 -1 -1 2 37 #"plt:module-language:test-coverage-on\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 -1 -1 2 38 #"plt:module-language:test-coverage-off\0" 0 -1 1 #"\0" 1 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 1 0 0 0 0 0 0 255 165 0 0 0 0 -1 -1 4 1 #"\0" 0 71 1 #"\0" 1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 1.0 1.0 1.0 1.0 1.0 1.0 0 0 0 0 0 0 -1 -1 4 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 -1 -1 -1 1 0 0 0 0 0 0 0 0 1.0 1.0 1.0 0 0 255 0 0 0 -1 -1 4 1 #"\0" 0 71 1 #"\0" 1.0 0 -1 -1 -1 -1 -1 -1 1 0 0 0 0 0 0 0 0 1.0 1.0 1.0 0 0 255 0 0 0 -1 -1 4 1 #"\0" 0 71 1 #"\0" 1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0 0 0 1.0 1.0 1.0 0 100 0 0 0 0 -1 -1 0 1 #"\0" 0 75 17 #"DejaVu Sans Mono\0" 0.0 24 91 -1 90 -1 3 -1 0 1 0 1 0 0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 0 255 255 255 1 -1 2 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0.0 0.0 0.0 1.0 1.0 1.0 0 0 0 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0.0 0.0 0.0 1.0 1.0 1.0 150 0 150 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 93 -1 -1 -1 0 1 0 0 0 0 0.0 0.0 0.0 1.0 1.0 1.0 255 0 0 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0.0 0.0 0.0 1.0 1.0 1.0 0 0 175 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0.0 0.0 0.0 1.0 1.0 1.0 38 38 128 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0.0 0.0 0.0 1.0 1.0 1.0 194 158 31 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0.0 0.0 0.0 1.0 1.0 1.0 211 72 255 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0.0 0.0 0.0 1.0 1.0 1.0 41 128 38 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0.0 0.0 0.0 1.0 1.0 1.0 0 150 255 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0.0 0.0 0.0 1.0 1.0 1.0 81 112 203 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0.0 0.0 0.0 1.0 1.0 1.0 178 34 34 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0.0 0.0 0.0 1.0 1.0 1.0 68 0 203 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0.0 0.0 0.0 1.0 1.0 1.0 0 116 0 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 93 -1 -1 0 1 0 0 0 0 0.0 0.0 0.0 1.0 1.0 1.0 139 142 28 0 0 0 -1 -1 24 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 1 0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 0 255 255 255 -1 -1 15 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 1 0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 0 255 255 255 -1 -1 14 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 1 0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 0 255 255 255 -1 -1 17 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 1 0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 0 255 255 255 -1 -1 47 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 1 0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 0 255 255 255 -1 -1 49 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 1 0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 0 255 255 255 -1 -1 4 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 1 0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 0 255 255 255 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 -1 -1 -1 1 0 0 0 0 0 1.0 1.0 1.0 1.0 1.0 1.0 0 0 0 0 0 0 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 -1 -1 -1 1 0 0 0 0 0 0.0 0.0 0.0 1.0 1.0 1.0 65 105 225 0 0 0 -1 -1 21 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 1 0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 0 255 255 255 -1 -1 2 1 #"\0" 0 -1 1 #"\0" 1.0 0 -1 -1 -1 -1 -1 -1 0 0 0 0 0 0 0.0 0.0 0.0 1.0 1.0 1.0 200 0 0 0 0 0 -1 -1 4 1 #"\0" 0 -1 1 #"\0" 1.0 0 92 -1 -1 -1 -1 -1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 255 255 0 -1 -1 0 288 0 4 3 85 ( #";; The first three lines of this file were inserted by DrRacket. The" #"y record metadata" ) 0 0 4 29 1 #"\n" 0 0 4 3 85 ( #";; about the language level of this file in a form that our tools ca" #"n easily process." ) 0 0 4 29 1 #"\n" 0 0 4 3 183 ( #"#reader(lib \"htdp-beginner-reader.ss\" \"lang\")((modname render-st" #"ring) (read-case-sensitive #t) (teachpacks ()) (htdp-settings #(#t c" #"onstructor repeating-decimal #f #t none #f () #f)))" ) 0 0 4 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 15 3 7 #"require" 0 0 24 3 1 #" " 0 0 14 3 11 #"2htdp/image" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 17 3 42 #";; An Int[N,M] is an Integer in the range " 0 0 17 3 17 #"[N,M], inclusive." 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 17 3 36 #";; render-string : Int[0,5] -> Image" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 17 3 21 #";; Examples on paper:" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 12 #"check-expect" 0 0 24 3 2 #" (" 0 0 14 3 13 #"render-string" 0 0 24 3 1 #" " 0 0 21 3 1 #"0" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 14 #" " 0 6 4 21 670 ( #"(#(struct:crop (#(struct:point 0 0) #(struct:point 200 0) #(struct:p" #"oint 200 100) #(struct:point 0 100)) #(struct:translate 0 0 #(struct" #":overlay #(struct:translate 0 0 #(struct:translate 0 0 #(struct:poly" #"gon (#(struct:pulled-point 0 0 0 0 0 0) #(struct:pulled-point 0 0 20" #"0 0 0 0) #(struct:pulled-point 0 0 200 100 0 0) #(struct:pulled-poin" #"t 0 0 0 100 0 0)) outline #(struct:pen \"black\" 2 solid round round" #")))) #(struct:translate 0 0 #(struct:translate 0 0 #(struct:polygon " #"(#(struct:pulled-point 0 0 0 0 0 0) #(struct:pulled-point 0 0 200 0 " #"0 0) #(struct:pulled-point 0 0 200 100 0 0) #(struct:pulled-point 0 " #"0 0 100 0 0)) 255 \"white\")))))) #(struct:bb 200 100 100) #f)" ) 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 12 #"check-expect" 0 0 24 3 2 #" (" 0 0 14 3 13 #"render-string" 0 0 24 3 1 #" " 0 0 21 3 1 #"1" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 14 #" " 0 6 4 21 837 ( #"(#(struct:overlay #(struct:translate 94.0 39.0 #(struct:translate 6." #"0 11.0 #(struct:text \"q\" 0 1 \"black\" 22 #f swiss normal normal #" #"f))) #(struct:translate 0 0 #(struct:crop (#(struct:point 0 0) #(str" #"uct:point 200 0) #(struct:point 200 100) #(struct:point 0 100)) #(st" #"ruct:translate 0 0 #(struct:overlay #(struct:translate 0 0 #(struct:" #"translate 0 0 #(struct:polygon (#(struct:pulled-point 0 0 0 0 0 0) #" #"(struct:pulled-point 0 0 200 0 0 0) #(struct:pulled-point 0 0 200 10" #"0 0 0) #(struct:pulled-point 0 0 0 100 0 0)) outline #(struct:pen \"" #"black\" 2 solid round round)))) #(struct:translate 0 0 #(struct:tran" #"slate 0 0 #(struct:polygon (#(struct:pulled-point 0 0 0 0 0 0) #(str" #"uct:pulled-point 0 0 200 0 0 0) #(struct:pulled-point 0 0 200 100 0 " #"0) #(struct:pulled-point 0 0 0 100 0 0)) 255 \"white\")))))))) #(str" #"uct:bb 200.0 100.0 100.0) #f)" ) 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 12 #"check-expect" 0 0 24 3 2 #" (" 0 0 14 3 13 #"render-string" 0 0 24 3 1 #" " 0 0 21 3 1 #"2" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 14 #" " 0 6 4 21 997 ( #"(#(struct:overlay #(struct:translate 86.0 39.0 #(struct:overlay #(st" #"ruct:translate 0 0 #(struct:translate 6.0 11.0 #(struct:text \"q\" 0" #" 1 \"black\" 22 #f swiss normal normal #f))) #(struct:translate 12.0" #" 0.0 #(struct:translate 8.0 11.0 #(struct:text \"w\" 0 1 \"black\" 2" #"2 #f swiss normal normal #f))))) #(struct:translate 0 0 #(struct:cro" #"p (#(struct:point 0 0) #(struct:point 200 0) #(struct:point 200 100)" #" #(struct:point 0 100)) #(struct:translate 0 0 #(struct:overlay #(st" #"ruct:translate 0 0 #(struct:translate 0 0 #(struct:polygon (#(struct" #":pulled-point 0 0 0 0 0 0) #(struct:pulled-point 0 0 200 0 0 0) #(st" #"ruct:pulled-point 0 0 200 100 0 0) #(struct:pulled-point 0 0 0 100 0" #" 0)) outline #(struct:pen \"black\" 2 solid round round)))) #(struct" #":translate 0 0 #(struct:translate 0 0 #(struct:polygon (#(struct:pul" #"led-point 0 0 0 0 0 0) #(struct:pulled-point 0 0 200 0 0 0) #(struct" #":pulled-point 0 0 200 100 0 0) #(struct:pulled-point 0 0 0 100 0 0))" #" 255 \"white\")))))))) #(struct:bb 200.0 100.0 100.0) #f)" ) 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 17 3 20 #";; Examples in code:" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 12 #"check-expect" 0 0 24 3 2 #" (" 0 0 14 3 13 #"render-string" 0 0 24 3 1 #" " 0 0 21 3 1 #"0" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 15 #" (" 0 0 14 3 11 #"empty-scene" 0 0 24 3 1 #" " 0 0 21 3 3 #"200" 0 0 24 3 1 #" " 0 0 21 3 3 #"100" 0 0 24 3 2 #"))" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 12 #"check-expect" 0 0 24 3 2 #" (" 0 0 14 3 13 #"render-string" 0 0 24 3 1 #" " 0 0 21 3 1 #"1" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 15 #" (" 0 0 14 3 7 #"overlay" 0 0 24 3 2 #" (" 0 0 14 3 4 #"text" 0 0 24 3 1 #" " 0 0 19 3 3 #"\"q\"" 0 0 24 3 1 #" " 0 0 21 3 2 #"22" 0 0 24 3 1 #" " 0 0 19 3 7 #"\"black\"" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 24 #" (" 0 0 14 3 11 #"empty-scene" 0 0 24 3 1 #" " 0 0 21 3 3 #"200" 0 0 24 3 1 #" " 0 0 21 3 3 #"100" 0 0 24 3 3 #")))" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 12 #"check-expect" 0 0 24 3 2 #" (" 0 0 14 3 13 #"render-string" 0 0 24 3 1 #" " 0 0 21 3 1 #"2" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 15 #" (" 0 0 14 3 7 #"overlay" 0 0 24 3 2 #" (" 0 0 14 3 4 #"text" 0 0 24 3 1 #" " 0 0 19 3 4 #"\"qw\"" 0 0 24 3 1 #" " 0 0 21 3 2 #"22" 0 0 24 3 1 #" " 0 0 19 3 7 #"\"black\"" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 24 #" (" 0 0 14 3 11 #"empty-scene" 0 0 24 3 1 #" " 0 0 21 3 3 #"200" 0 0 24 3 1 #" " 0 0 21 3 3 #"100" 0 0 24 3 3 #")))" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 17 3 40 #";; Examples that express a relationship " 0 0 17 3 20 #"between the argument" 0 0 24 29 1 #"\n" 0 0 17 3 37 #";; of render-string and the expected " 0 0 17 3 7 #"result:" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 12 #"check-expect" 0 0 24 3 2 #" (" 0 0 14 3 13 #"render-string" 0 0 24 3 1 #" " 0 0 21 3 1 #"0" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 15 #" (" 0 0 14 3 7 #"overlay" 0 0 24 3 2 #" (" 0 0 14 3 4 #"text" 0 0 24 3 2 #" (" 0 0 14 3 9 #"substring" 0 0 24 3 1 #" " 0 0 19 3 8 #"\"qwerty\"" 0 0 24 3 1 #" " 0 0 21 3 1 #"0" 0 0 24 3 1 #" " 0 0 21 3 1 #"0" 0 0 24 3 2 #") " 0 0 21 3 2 #"22" 0 0 24 3 1 #" " 0 0 19 3 7 #"\"black\"" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 24 #" (" 0 0 14 3 11 #"empty-scene" 0 0 24 3 1 #" " 0 0 21 3 3 #"200" 0 0 24 3 1 #" " 0 0 21 3 3 #"100" 0 0 24 3 3 #")))" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 12 #"check-expect" 0 0 24 3 2 #" (" 0 0 14 3 13 #"render-string" 0 0 24 3 1 #" " 0 0 21 3 1 #"1" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 15 #" (" 0 0 14 3 7 #"overlay" 0 0 24 3 2 #" (" 0 0 14 3 4 #"text" 0 0 24 3 2 #" (" 0 0 14 3 9 #"substring" 0 0 24 3 1 #" " 0 0 19 3 8 #"\"qwerty\"" 0 0 24 3 1 #" " 0 0 21 3 1 #"0" 0 0 24 3 1 #" " 0 0 21 3 1 #"1" 0 0 24 3 2 #") " 0 0 21 3 2 #"22" 0 0 24 3 1 #" " 0 0 19 3 7 #"\"black\"" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 24 #" (" 0 0 14 3 11 #"empty-scene" 0 0 24 3 1 #" " 0 0 21 3 3 #"200" 0 0 24 3 1 #" " 0 0 21 3 3 #"100" 0 0 24 3 3 #")))" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 14 3 12 #"check-expect" 0 0 24 3 2 #" (" 0 0 14 3 13 #"render-string" 0 0 24 3 1 #" " 0 0 21 3 1 #"2" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 15 #" (" 0 0 14 3 7 #"overlay" 0 0 24 3 2 #" (" 0 0 14 3 4 #"text" 0 0 24 3 2 #" (" 0 0 14 3 9 #"substring" 0 0 24 3 1 #" " 0 0 19 3 8 #"\"qwerty\"" 0 0 24 3 1 #" " 0 0 21 3 1 #"0" 0 0 24 3 1 #" " 0 0 21 3 1 #"2" 0 0 24 3 2 #") " 0 0 21 3 2 #"22" 0 0 24 3 1 #" " 0 0 19 3 7 #"\"black\"" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 24 #" (" 0 0 14 3 11 #"empty-scene" 0 0 24 3 1 #" " 0 0 21 3 3 #"200" 0 0 24 3 1 #" " 0 0 21 3 3 #"100" 0 0 24 3 3 #")))" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 24 29 1 #"\n" 0 0 17 3 34 #";; Now the function writes itself:" 0 0 24 29 1 #"\n" 0 0 24 3 1 #"(" 0 0 15 3 6 #"define" 0 0 24 3 2 #" (" 0 0 14 3 13 #"render-string" 0 0 24 3 1 #" " 0 0 14 3 1 #"t" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 3 #" (" 0 0 14 3 7 #"overlay" 0 0 24 3 2 #" (" 0 0 14 3 4 #"text" 0 0 24 3 2 #" (" 0 0 14 3 9 #"substring" 0 0 24 3 1 #" " 0 0 19 3 8 #"\"qwerty\"" 0 0 24 3 1 #" " 0 0 21 3 1 #"0" 0 0 24 3 1 #" " 0 0 14 3 1 #"t" 0 0 24 3 2 #") " 0 0 21 3 2 #"22" 0 0 24 3 1 #" " 0 0 19 3 7 #"\"black\"" 0 0 24 3 1 #")" 0 0 24 29 1 #"\n" 0 0 24 3 12 #" (" 0 0 14 3 11 #"empty-scene" 0 0 24 3 1 #" " 0 0 21 3 3 #"200" 0 0 24 3 1 #" " 0 0 21 3 3 #"100" 0 0 24 3 3 #")))" 0 0 24 29 1 #"\n" 0 0