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rjhilgefort/maybeHof.js

Created December 23, 2018 06:27
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maybeHof.js
const maybeHof = compose(when, complement)(isNil)
const maybeToUpper = maybeHof(toUpper)
maybeToUpper(null) // null
maybeToUpper(undefined) // undefined
maybeToUpper('foo') // 'FOO'
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