coding for food

[Ruby] enumerable methods 3

silveryen 2022. 7. 27. 11:21
(0...4).each { |num| puts num }
-------------------------------
0
1
2
3​
#to repeat some code a certain number of time

(0...4).each { puts "hello" } 
------------------------------
hello
hello
hello
hello

# 아래와 같이 더 간단히 표현할 수 있다. 
4.times { puts "hello" }
------------------------------
hello
hello
hello
hello