MarkLogic 12 EA 1 Product Documentationfn:reverse
fn:reverse( $target as item()* ) as item()*
Summary
Reverses the order of items in a sequence. If $arg is the empty sequence, the empty sequence is returned.
For detailed type semantics, see Section 7.2.12 The fn:reverse function[FS].
| Parameters | |
|---|---|
| target | The sequence of items to be reversed. |
Usage Notes
The sequence you specify to reverse must fit into memory, so the sequence size should not be larger than your memory cache sizes.Example
let $x := ("a", "b", "c")
return
fn:reverse($x)
=> ("c", "b", "a")
Example
fn:reverse(("hello"))
=> ("hello")
Example
fn:reverse(()) => ()