10 lines
175 B
Racket
10 lines
175 B
Racket
#lang planet dyoo/whalesong
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(require (planet dyoo/whalesong/image))
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(is-color? "red")
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(is-color? "blue")
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(is-color? 42)
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(is-color? (make-color 3 4 5 0))
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(is-color? "color")
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