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  1. var asyncReadFile = function (filename, callback) {
  2.   callback(null, 'example')
  3. };
  4. function readFile(filename) {  
  5.   asyncReadFile(filename, function (error, result) {
  6.     if (error) { // err is undefined
  7.       return Promise.reject(error);
  8.     }
  9.     return Promise.resolve(result);
  10.   });
  11. }
  12. console.log(readFile('example'));
Success #stdin #stdout 0.06s 20312KB
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stdin
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Standard input is empty
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undefined
https://ideone.com/m8DWz8
language:
Node.js (node 20.14)
created:
9 years ago
visibility:
public

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