class Array

Public Instance Methods

to_hash() click to toggle source

[1,2,1,3].to_hash #=> {1 => 2, 2 => 1, 3 => 1}

# File lib/SEstimator/support/Array.rb, line 4
def to_hash
  self.inject({}) do |hash, ele|
    hash[ele] = hash[ele] ? hash[ele] + 1 : 1
    hash
  end
end