Racket solutions & explanations for the Advent of Code puzzles
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#lang at-exp racket/base
(require scribble/manual scribble/html-properties
scribble/core scribble/decode)
(require (for-syntax racket/base racket/syntax))
(provide (all-defined-out))
(define current-day (make-parameter #f))
(define current-section (make-parameter #f))
(define-syntax-rule (iracket term)
(list (symbol->string 'term))
(list (tt (symbol->string 'term))
(if (current-section)
(decode-content (cons (format "in Day ~a / " (current-day)) (current-section)))
(racket term)))
(define-syntax (define-isec stx)
(syntax-case stx ()
[(_ secid)
(with-syntax ([isecid (format-id stx "i~a" #'secid)])
#'(define isecid
(λ (kws kwargs . args)
(current-section args)
(keyword-apply secid kws kwargs args))))))]))
(define-isec section)
(define-isec subsection)
(define (aoc-title which)
(define which-str (number->string which))
(current-day which-str)
(define day-x (format "day-~a" which-str))
(define day-prefix (format "~a-" day-x))
@title[#:style manual-doc-style]{Day @which-str})
(define (link-rp path . text-args)
(element (style #f (list (link-resource path)))