Ruby 제어문 - 조건문과 반복문

Source: Dev.to

조건문

s1 = 'Jonathan'
s2 = 'Jonathan'
s3 = s1

if s1 == s2
  puts 'Both Strings have identical content'
else
  puts 'Both Strings do not have identical content'
end

if name == 'Satish'
  puts 'What a nice name!!'
elsif name == 'Sunil'
  puts 'Another nice name!'
end

unless는 if not과 동일합니다.

unless ARGV.length == 2
  puts "Usage: program.rb 23 45"
  exit
end

puts "Enrollments will now Stop" if participants > 2500

year = 2000
leap = case
       when year % 400 == 0 then true
       when year % 100 == 0 then false
       else year % 4 == 0
       end
puts leap  # true

반복문

rice_on_square = 1

64.times do |square|
  puts "On square #{square + 1} are #{rice_on_square} grain(s)"
  rice_on_square *= 2
end

# 간단한 형태
5.times { puts "Mice!\n" }

var = 0
while var
  # (추가 로직이 필요합니다)
end