Xslt3

Creates a singleton map containing exactly one key-value pair.

Returns the value associated with a key in a map, or the empty sequence if the key is not present.

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.

Returns a deterministic pseudo-random number generator as a map, optionally seeded for reproducible results.

Sorts a sequence of items using an optional collation and key function, returning items in ascending order.

Declares a streaming accumulator that maintains a typed value updated by rules as nodes are processed, enabling stateful aggregation without multiple passes.