15 lines
232 B
Racket
15 lines
232 B
Racket
;predicates and boolean-valued functions: ?
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(boolean? 5)
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(list? "123")
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;setters and field mutators: !
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(set! x 5)
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(vector-set! v 2 "x")
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; classes: %
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game-state%
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button-snip%
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;interfaces: <%>;
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dc<%>;
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font-name-directory<%>
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