clojure-koans/src/koans/conditionals.clj

48 lines
1.2 KiB
Clojure
Raw Normal View History

2011-04-29 20:34:17 +00:00
(defn explain-defcon-level [exercise-term]
(case exercise-term
:fade-out :you-and-what-army
:double-take :call-me-when-its-important
:round-house :o-rly
:fast-pace :thats-pretty-bad
:cocked-pistol :sirens
:say-what?))
2010-02-09 23:37:22 +00:00
(meditations
2010-05-07 02:56:43 +00:00
"You will face many decisions"
(= __ (if (false? (= 4 5))
:a
:b))
2010-02-09 23:37:22 +00:00
"Some of them leave you no alternative"
(= __ (if (> 4 3)
[]))
2010-02-09 23:37:22 +00:00
2011-04-29 20:34:17 +00:00
"And in such a situation you may have nothing"
(= nil (if (nil? __)
[:a :b :c]))
2010-05-07 02:56:43 +00:00
"In others your alternative may be interesting"
(= :glory (if (not (empty? ()))
:doom
__))
2010-05-07 02:56:43 +00:00
2010-11-04 01:38:20 +00:00
"You may have a multitude of possible paths"
(let [x 5]
(= :your_road (cond (= x __) :road_not_taken
(= x __) :another_road_not_taken
:else __)))
2010-05-07 02:56:43 +00:00
"Or your fate may be sealed"
(= __ (if-not (zero? __)
'doom
2011-04-29 20:34:17 +00:00
'doom))
"In case of emergency, sound the alarms"
(= :sirens
(explain-defcon-level __))
"But admit it when you don't know what to do"
(= __
(explain-defcon-level :yo-mama)))
2010-02-09 23:37:22 +00:00