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+# promise-inflight
+
+One promise for multiple requests in flight to avoid async duplication
+
+## USAGE
+
+```javascript
+const inflight = require('promise-inflight')
+
+// some request that does some stuff
+function req(key) {
+  // key is any random string.  like a url or filename or whatever.
+  return inflight(key, () => {
+    // this is where you'd fetch the url or whatever
+    return Promise.delay(100)
+  })
+}
+
+// only assigns a single setTimeout
+// when it dings, all thens get called with the same result.  (There's only
+// one underlying promise.)
+req('foo').then(…)
+req('foo').then(…)
+req('foo').then(…)
+req('foo').then(…)
+```
+
+## SEE ALSO
+
+* [inflight](https://npmjs.com/package/inflight) - For the callback based function on which this is based.
+
+## STILL NEEDS
+
+Tests!