#lang racket/base (require "display.rkt") (require racket/match) (define (main) (define t (stdin-tty)) (tty-style t #:bold? #t #:background-color color-blue) (tty-display t (format "Your screen is ~a rows and ~a columns.\r\n" (tty-rows t) (tty-columns t))) (tty-style t #:bold? #f #:italic? #t) (tty-display t "Italic.\r\n") (tty-style t #:bold? #t) (tty-display t "Bold and italic.\r\n") (tty-style t #:bold? #f #:italic? #f) (tty-display t "Neither.\r\n")) (module+ main (void (main)))