The ::[]
method on the Hash
class allows you to succinctly create a hash
from an array of arrays -- or rather an array of tuples which are key value
pairs.
> Hash[ [["a",2],["b",4]] ]
{"a"=>2, "b"=>4}
> Hash[ [[1,2],[3,4]] ]
{1=>2, 3=>4}
See the Hash::[]
docs for more
details.
h/t Josh Davey