one-or-more
Returns a sequence if it contains one or more items, otherwise errors
Description
The fn:one-or-more function returns $arg if it contains one or more items. Otherwise, the error FORG0004 is raised. This function is useful when static typing is in effect, to avoid apparent static type errors.
Parameters |
Description |
---|---|
arg:item() |
Examples
XPath |
Results |
---|---|
one-or-more( () ) |
Error FORG0004 |
one-or-more(‘a’) |
a |
one-or-more( (‘a’, ‘b’) ) |
(‘a’, ‘b’) |