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aoc-racket
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master-blaster
Matthew Butterick 9 years ago
parent 184d6a1651
commit 1346f932d8
1 changed files with 2 additions and 2 deletions
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4
day6.scrbl
Unescape Escape View File

@ -28,8 +28,8 @@ Each instruction consists of two pieces. First, an operation: either @italic{tu
(define (action->bulb-func action) (define (action->bulb-func action)
(case action (case action
[("turn off") (thunk* 0)]
[("turn on") (thunk* 1)] [("turn on") (thunk* 1)]
[("turn off") (thunk* 0)]
[else (λ(bulb) (if (= bulb 1) 0 1))])) [else (λ(bulb) (if (= bulb 1) 0 1))]))
(list* (action->bulb-func (string-trim action)) (list* (action->bulb-func (string-trim action))
@ -115,8 +115,8 @@ Since the only part that changes between the solutions is the bulb functions, we
(define q1-bulb-func-converter (define q1-bulb-func-converter
(λ(action) (case action (λ(action) (case action
[("turn off") (thunk* 0)]
[("turn on") (thunk* 1)] [("turn on") (thunk* 1)]
[("turn off") (thunk* 0)]
[else (λ(bulb) (if (= bulb 1) 0 1))]))) [else (λ(bulb) (if (= bulb 1) 0 1))])))
(define q2-bulb-func-converter (define q2-bulb-func-converter