MarkLogic 10 Product Documentationfn:one-or-more
fn:one-or-more( $arg as item()* ) as item()+
Summary
Returns $arg if it contains one or more items. Otherwise, raises an error [err:FORG0004].
For detailed type semantics, see Section 7.2.16 The fn:zero-or-one, fn:one-or-more, and fn:exactly-one functions[FS].
| Parameters | |
|---|---|
| arg | The sequence of items. |
Example
fn:one-or-more( () )
=> XDMP-ZEROITEMS exception
fn:one-or-more("hello")
=> "hello"
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