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pick_default addition to readme

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Helen Campbell 2015-11-09 15:14:34 +00:00
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@ -624,6 +624,10 @@ From a list of values, returns the first value that is not undefined or an empty
*Type*: rvalue.
#### `pick_default`
Will return the first value in a list of values. Contrary to the 'pick()' function, the 'pick_default()' does not fail if all arguments are empty. This allows it to use an empty value as default. *Type*: rvalue.
#### `prefix`
Applies a prefix to all elements in an array, or to the keys in a hash.