27 lines
914 B
Clojure
27 lines
914 B
Clojure
(ns koans.24-quote
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(:require [koan-engine.core :refer :all]))
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(meditations
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"use quote to express a list"
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(= (quote __) (list 1 2 3 4 5))
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"Clojure provide a shotcut"
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(= (quote __) '(1 2 3 4 5))
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"The quote special operator prevents its argument from being evaluated at all"
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(= __ (let [age 9] (quote age)))
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"You can use a literal list as a data collection without having Clojure try to call a function"
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(= (cons 1 (__ (2 3))) (list 1 2 3) (cons 1 [2 3]))
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"Th quote affects all of its argument, not just the top level"
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(= (list 1 __) '(1 (+ 2 3)))
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"Syntax-quote has a few extra features that make it ideal for constructing collections to be used as code."
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(= (list __ __ __) `(1 2 3) '(1 2 3))
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"Unquote is used to demarcate specific forms as requiring evaluation by prefixing fhem with the symbol ~ within the body of a syntax-quote"
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(= (list __ __) `(1 ~(+ 2 3)) '(1 5))
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)
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