9 lines
496 B
Scheme
9 lines
496 B
Scheme
(define (boolean? x) (equal? 'boolean (arcana/typeof x)))
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(define (char? x) (equal? 'char (arcana/typeof x)))
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(define (null? x) (equal? 'null (arcana/typeof x)))
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(define (number? x) (equal? 'number (arcana/typeof x)))
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(define (pair? x) (equal? 'pair (arcana/typeof x)))
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(define (procedure? x) (equal? 'procedure (arcana/typeof x)))
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(define (string? x) (equal? 'string (arcana/typeof x)))
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(define (symbol? x) (equal? 'symbol (arcana/typeof x)))
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