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Ruby for loop

Przykłady kodu

6
0

ruby for loop 

for i in 0..2 do 
  print(i)
end

# => 0
# => 1
# => 2
2
0

ruby for loop 

# You can use an each to mimic the functionality of a for loop

(0..5).each do |i|
  puts "Inside loop i = #{i}"
  # put your code for loop here
end

# outputs 
# Inside loop i = 0   
# Inside loop i = 1
# Inside loop i = 2
# Inside loop i = 3
# Inside loop i = 4
# Inside loop i = 5
1
0

ruby for loop 

for element in array do
  element.do_stuff
end
0
0

ruby dla 

for counter in 1..5
  puts "iteration #{counter}"
end
#=> iteration 1
#=> iteration 2
#=> iteration 3
#=> iteration 4
#=> iteration 5
-1
0

pętla rails 

while $i < $num  do
   puts("Inside the loop i = #$i" )
   $i +=1
end

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