array_to_hash.rb

# Is there a preferred way to do it? A lot of people I see use inject, but it makes my eyes bleed.

x = [[1, 2], [3, 4]]

p x.inject({}) { |h, r| h[r[0]] = r[1]; h }
# {1=>2, 3=>4}

p Hash[*x.flatten]
# {1=>2, 3=>4}

p Hash[x]
# {1=>2, 3=>4}

# Yay. Thanks dave.