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Pass key to iterator if async.each() iterator takes 3 arguments #321

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Pass key to iterator if async.each() iterator takes 3 arguments #321

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710cc8c
Implemented a way to pass a key argument to the iterator for async.each
olalonde May 27, 2013
df106f5
Updated README.md with usage of async.each with a key
olalonde May 27, 2013
180183d
Fixed bug: cannot use arr.length with objects
olalonde May 27, 2013
ba4d138
Implemented eachSeries with optional key argument
olalonde May 27, 2013
32db182
Removed console.log and fire callback immediately when object has no …
olalonde May 28, 2013
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Updated README.md with usage of async.each with a key
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@olalonde
olalonde committed May 27, 2013
commit df106f53c76f053ecc0330477e5c74d1d78cd9a2
6 changes: 3 additions & 3 deletions README.md
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Expand Up @@ -150,7 +150,7 @@ So far it's been tested in IE6, IE7, IE8, FF3.6 and Chrome 5. Usage:
<a name="each" />
### each(arr, iterator, callback)

Applies an iterator function to each item in an array, in parallel.
Applies an iterator function to each item in an array or object, in parallel.
The iterator is called with an item from the list and a callback for when it
has finished. If the iterator passes an error to this callback, the main
callback for the each function is immediately called with the error.
Expand All @@ -160,8 +160,8 @@ there is no guarantee that the iterator functions will complete in order.

__Arguments__

* arr - An array to iterate over.
* iterator(item, callback) - A function to apply to each item in the array.
* arr - An array/object to iterate over.
* iterator(item [, key], callback) - A function to apply to each item in the array/object.
The iterator is passed a callback(err) which must be called once it has
completed. If no error has occured, the callback should be run without
arguments or with an explicit null argument.
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