
set(+Map0, ++Key, ?Value, -Map)

   Update the value corresponding to a key in a map, inserting the key if it doesn't exist already.

Arguments
   Map0                A map
   Key                 A key to set
   Value               The value corresponding to Key
   Map                 The map after setting

Type
   library(m_map)

Description
	
	If the key Key already exists in the map Map0, then this predicate
	updates the corresponding value to be Value.  Otherwise it inserts
	the key Key into the map with value Value.  The resulting map is
	Map.
	
	
	This predicate should only be called with maps created by other
	predicates from the map module.
	
	

Fail Conditions
   Never fails.

Resatisfiable
   no

See Also
   insert / 4, det_insert / 4, update / 4, det_update / 4
