Created
January 18, 2014 10:04
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seq.rkt
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| #lang racket | |
| (define (get-evens file) | |
| (let ([fn (lambda (x) (even? (string->number x)))]) | |
| (sequence->list | |
| (sequence-filter | |
| fn | |
| (in-lines (open-input-file (string->path file))))))) | |
| (get-evens "nums.txt") |
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