23 lines
277 B
Racket
23 lines
277 B
Racket
#lang planet dyoo/whalesong/cs019
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(boolean? "t")
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(boolean? #t)
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(boolean? 0)
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(boolean? #\t)
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(char? "t")
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(char? #t)
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(char? 0)
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(char? #\t)
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(char=? #\a #\b)
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(char=? #\a #\a)
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(char=? #\a #\a #\b)
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(char=? #\a #\b #\a)
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(char=? #\a #\a #\a)
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true
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false
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(false? true)
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(false? false) |