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mqtt-backend/node_modules/fastparallel/example.js

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+var parallel = require('./')({
+  // this is a function that will be called
+  // when a parallel completes
+  released: completed,
+
+  // we want results and errors
+  // passing false will make it faster!
+  results: true
+})
+
+parallel(
+  {}, // 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 parallel ends
+)
+
+function something (arg, cb) {
+  setImmediate(cb, null, 'myresult')
+}
+
+function next (err, results) {
+  if (err) {
+    // do something here!
+  }
+  console.log('parallel completed, results:', results)
+
+  parallel({}, something, [1, 2, 3], done)
+}
+
+function done (err, results) {
+  if (err) {
+    // do something here!
+  }
+  console.log('parallel completed, results:', results)
+}
+
+function completed () {
+  console.log('parallel completed!')
+}