map:filter
Selects entries from a map, returning a new map.
filter($map as map(*), $predicate as fn($key as xs:anyAtomicType, $value as item()*, $position as xs:integer) as xs:boolean?) ➔ map(*)
Arguments | ||||
| $map | map(*) | The input map | |
| $predicate | fn($key as xs:anyAtomicType, $value as item()*, $position as xs:integer) as xs:boolean? | The function used to filter the input map | |
Result | map(*) | |||
Namespace
http://www.w3.org/2005/xpath-functions/map
Links to W3C specifications
XPath 4.0 Functions and Operators
Saxon availability
Available in XPath 4.0, XSLT 4.0, and XQuery 4.0. Requires Saxon-PE or Saxon-EE. Implemented since Saxon 12. Available for all platforms.
Notes on the Saxon implementation
Available since Saxon 13 in XPath 4.0. Available since Saxon 12 provided that syntax extensions are enabled.