13 lines
256 B
Racket
13 lines
256 B
Racket
#lang racket/load
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(module sgn-exporter typed/racket/base
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(require/typed
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racket/math
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[sgn (Integer -> Fixnum)])
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(provide (all-defined-out)))
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(module sgn-importer typed/racket/base
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(require racket/math 'sgn-exporter))
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(require 'sgn-exporter)
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