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A comment on An Absolute Beginner's Guide to Node.js. Parent comment

Re:An Absolute Beginner's Guide to Node.js by dsego on Wednesday August 21, 2013 @06:39AM (#6249232)
were those in the language before or after node came out?
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Re:An Absolute Beginner's Guide to Node.js by bitwalker on Wednesday August 21, 2013 @07:50AM (#6249507)
async/await are just sugar over the much older asynchronous delegate pattern that has been in the language since day one. So yes, they were.
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Re:An Absolute Beginner's Guide to Node.js by dsego on Wednesday August 21, 2013 @08:04AM (#6249568)
are they widely used in APIs to e.g. send a query to the sql database or open a file?
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Re:An Absolute Beginner's Guide to Node.js by jussij on Wednesday August 21, 2013 @10:22PM (#6254725)
Yes.

In .Net 4.5 there are Async versions of the web, file, stream, image and SQL category of functions.

It's also making its way into ASP.Net layer.

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