case1.rb

## 条件分岐 case

a = 1

case a
when 1
  p 'when a = 1'
when 2
  p 'when a = 2'
when 3
  p 'when a = 3'
else
  p 'when a is not 1 nor 2 nor 3'
end
#"when a = 1"