functx:sequence-type
The sequence type that represents a sequence of nodes or values
Description
The functx:sequence-type function checks the types and/or node kinds of one or more items ($items) and returns a sequence type that matches $items. This is useful for debugging and testing the composition of a sequence.
Parameters |
Description |
|---|---|
items:item() |
the items whose sequence type you want to determine |
Examples
XPath |
Results |
Explanation |
|---|---|---|
functx:sequence-type(2) |
xs:integer |
|
functx:sequence-type((‘abc’,’def’)) |
xs:string+ |
|
functx:sequence-type((‘abc’,2)) |
xs:anyAtomicType+ |
|
functx:sequence-type( () ) |
empty-sequence() |
|
functx:sequence-type($in-xml/*[1]) |
element() |
|
functx:sequence-type($in-xml/*) |
element()+ |
|
functx:sequence-type($in-xml//@) |
attribute()+ |
|
functx:sequence-type($in-xml/*/text()) |
text()+ |
|
functx:sequence-type($in-xml/comment()) |
comment() |
|
functx:sequence-type($in-xml/node()) |
node()+ |
generic because there is a combination of node kinds (element and comment) |
functx:sequence-type(($in-xml/*,’2’)) |
item()+ |
even more generic because there is a combination of nodes and an atomic value |
XPath |
Results |
|---|---|
functx:sequence-type(2) |
xs:integer |
functx:sequence-type((‘abc’,’def’)) |
xs:string+ |
functx:sequence-type((‘abc’,2)) |
xs:anyAtomicType+ |
functx:sequence-type( () ) |
empty-sequence() |
functx:sequence-type($in-xml/*[1]) |
element() |
functx:sequence-type($in-xml/*) |
element()+ |
functx:sequence-type($in-xml//@) |
attribute()+ |
functx:sequence-type($in-xml/*/text()) |
text()+ |
functx:sequence-type($in-xml/comment()) |
comment() |
functx:sequence-type($in-xml/node()) |
node()+ |
functx:sequence-type(($in-xml/*,’2’)) |
item()+ |