map
¶This module creates a struct parameterized by the types specified in
strings key
and value
, mapping keys to values with a
specified default:
from map(Key=string, Value=int) access map; map M=map(Default=-1); M.add("z",2); M.add("a",3); M.add("d",4); write(M.lookup("a")); write(M.lookup("y"));