How to get first n elements from Hash in ruby?

September 8, 2023 by Tarik

h = { 'a' => 10, 'b' => 20, 'c' => 30 }

# get the first two
p Hash[*h.sort_by { |k,v| -v }[0..1].flatten]

EDITED:

# get the first two (more concisely)
p Hash[h.sort_by { |k,v| -v }[0..1]]