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Update arguments order of then

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The first argument should be for handling a successful result, and the second for error.
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neoarma 2019-04-15 22:46:25 +12:00 • committed by GitHub
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1-js/11-async/06-promisify/article.md
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@ -102,7 +102,7 @@ function promisify(f, manyArgs = false) {
// usage: // usage:
f = promisify(f, true); f = promisify(f, true);
f(...).then(err => ..., arrayOfResults => ...) f(...).then(arrayOfResults => ..., err => ...)
``` ```
In some cases, `err` may be absent at all: `callback(result)`, or there's something exotic in the callback format, then we can promisify such functions manually. In some cases, `err` may be absent at all: `callback(result)`, or there's something exotic in the callback format, then we can promisify such functions manually.