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Racket namespace-mapped-symbols example
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| #lang racket | |
| (let ([n (make-base-namespace)]) | |
| (parameterize ([current-namespace n]) | |
| (eval '(define (oneplusone) (+ 1 1))) | |
| (eval '(define (oneplustwo) (+ 1 2))) | |
| (filter (lambda (y) (regexp-match #px"^one" y)) | |
| (map (lambda (x) (symbol->string x)) (namespace-mapped-symbols n))))) |
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