Rascal/Libraries/Prelude/Map/getOneFrom

Name Rascal/Libraries/Prelude/Map/getOneFrom

Synopsis Get a n arbitrary key from a map.

Function &K getOneFrom(map[&K, &V] M)

Usage import Map;

Description Returns an arbitrary key of map M.

Examples

rascal>import Map;
ok
rascal>getOneFrom(("apple": 1, "pear": 2, "pineapple": 3));
str: "pear"
rascal>getOneFrom(("apple": 1, "pear": 2, "pineapple": 3));
str: "apple"
rascal>getOneFrom(("apple": 1, "pear": 2, "pineapple": 3));
str: "apple"

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