Xpath

Returns all keys of a map as a sequence of atomic values in implementation-defined order.

Merges multiple maps into one, with duplicate key handling controlled by an options map.

Returns a new map with a key-value entry added or updated, leaving the original map unchanged.

Returns a new map with one or more specified keys removed, leaving the original map unchanged.

Returns the number of key-value entries in a map.

Tests whether a string matches a regular expression, returning true or false.

Returns the largest value in a sequence of comparable items, optionally using a named collation for string comparison.

Returns the smallest value in a sequence of comparable items, optionally using a named collation for string comparison.

Extracts the minutes component from an xs:time value as an xs:integer in the range 0–59.

Extracts the month component from an xs:date value as an xs:integer in the range 1–12.