updating oE new_extra
new_extra
include map.e namespace map public function new_extra(object the_map_p, integer initial_size_p = 8)
returns either the supplied map or a new map.
Parameters:
- the_map_p : An object, that could be an existing map
- initial_size_p : An estimate of how many initial elements will be stored in a new map.
Returns:
A map, If m is an existing map then it is returned otherwise this returns a new empty map.
Comments:
This is used to return a new map if the supplied variable isn't already a map.
Example 1:
map m = new_extra( foo() ) -- If foo() returns a map it is used, otherwise -- a new map is created.
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