Conditional structures

# title: Conditional structures
# source: https://rosettacode.org/wiki/Conditional_structures
# category: Rosetta Code
# difficulty: Intro
# summary: Classify values with if, elsif, and else branches.
# tags: popular, basics, control-flow, conditionals
# vibe: 0.2

def classify_temperature(value)
  if value < 0
    "freezing"
  elsif value < 15
    "cold"
  elsif value < 25
    "mild"
  else
    "warm"
  end
end

def classify_sign(value)
  if value < 0
    "negative"
  elsif value == 0
    "zero"
  else
    "positive"
  end
end

def run
  {
    temperatures: [
      classify_temperature(-4),
      classify_temperature(8),
      classify_temperature(20),
      classify_temperature(31)
    ],
    signs: [
      classify_sign(-7),
      classify_sign(0),
      classify_sign(9)
    ]
  }
end