org.gramar.base:xfn.unique
unique() Function
The unique() function filters and returns the given collection using the key XPath expression to calculate a key for each node in the collection.
Only the first node for a given key will be returned.
| Argument | Kind | Required | Purpose |
|---|---|---|---|
| collection | nodes | yes | an XPath expression that resolves to a collection of nodes |
| key | string | yes | a string containing an XPath expression that resolves to a key value for a given node |
Usage and examples
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org.gramar.base/xfn.unique.txt · Last modified: 2016/06/27 20:35 (external edit)
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