# Declare an array of pairs
var people = [['joe', 120], ['foo', 31], ['bar', 51]];

# Sort the array in-place by name
people.sort! {|a,b| a[0] <=> b[0] };

# Alternatively, we can use the `.sort_by{}` method
var sorted = people.sort_by { |item| item[0] };

# Display the sorted array
say people;