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Rephrase note about 'promisory' #1055

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Rephrase note about 'promisory' #1055

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2 changes: 1 addition & 1 deletion async & performance/ch3.md
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Expand Up @@ -1963,7 +1963,7 @@ Wow, that was pretty easy!

The act of wrapping a callback-expecting function to be a Promise-aware function is sometimes referred to as "lifting" or "promisifying". But there doesn't seem to be a standard term for what to call the resultant function other than a "lifted function", so I like "promisory" better as I think it's more descriptive.

**Note:** Promisory isn't a made-up term. It's a real word, and its definition means to contain or convey a promise. That's exactly what these functions are doing, so it turns out to be a pretty perfect terminology match!
**Note:** Promisory is derived from a real word, "promissory". Its definition means to contain or convey a promise. That's exactly what these functions are doing, so it turns out to be a pretty perfect terminology match!

So, `Promise.wrap(ajax)` produces an `ajax(..)` promisory we call `request(..)`, and that promisory produces Promises for Ajax responses.

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