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backend/node_modules/fastseries/example.js

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+var series = require('./')({
+  // this is a function that will be called
+  // when a series completes
+  released: completed,
+
+  // we want results and errors
+  // passing false will make it faster!
+  results: true
+})
+
+series(
+  {}, // what will be this in the functions
+  [something, something, something], // functions to call
+  42, // the first argument of the functions
+  next // the function to be called when the series ends
+)
+
+function late (arg, cb) {
+  console.log('finishing', arg)
+  cb(null, 'myresult-' + arg)
+}
+
+function something (arg, cb) {
+  setTimeout(late, 1000, arg, cb)
+}
+
+function next (err, results) {
+  if (err) {
+    // do something here!
+  }
+  console.log('series completed, results:', results)
+
+  series({}, something, [1, 2, 3], done)
+}
+
+function done (err, results) {
+  if (err) {
+    // do something here!
+  }
+  console.log('series completed, results:', results)
+}
+
+function completed () {
+  console.log('series completed!')
+}