falsey_truthy - Truthyness and Falseyness in Ruby

falsey_truthy.rb

def falsey_truthy string_test
  begin
    value = eval string_test
    puts "#{string_test} -> '#{value}' is #{value ? 'truthy' : 'falsey'}"
  rescue NameError => e
    puts e
  end
end

tests  = [
  "true",
  "false",
  "nil",
  "0",
  "1",
]

tests.each do |string_test|
  falsey_truthy string_test
end

def get_statement
  print "Enter Some Ruby (return to exit):"
  gets.chomp
end

until (line = get_statement).empty?
  falsey_truthy line
end