Created
December 24, 2016 18:43
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Async/await 3
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| function do(cb) { | |
| doA(function(err, a) { | |
| if (err) cb(err); | |
| doB(a, function(err, b) { | |
| if (err) cb(err); | |
| doC(b, function(err, c) { | |
| cb(err); | |
| }); | |
| }); | |
| }); | |
| } |
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