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Ruby | Array map() function
  • Last Updated : 06 Dec, 2019

Array#map() : map() is a Array class method which returns a new array containing the values returned by the block.

Syntax: Array.map()

Parameter: Array

Return: a new array containing the values returned by the block.

Example #1 :



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# Ruby code for map() method
  
# declaring array
a = [18, 22, 33, 3, 5, 6]
  
# declaring array
b = [1, 4, 1, 1, 88, 9]
  
# declaring array
c = [18, 22, 3, 3, 50, 6]
  
# map
puts "map method : #{a.map {|num| num > 10 }}\n\n"
  
# map
puts "map method : #{b.map {|x| x.odd? }}\n\n"

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Output :

map method : [true, true, true, false, false, false]

map method : [true, false, true, true, false, true]

Example #2 :

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# Ruby code for map() method
  
# declaring array
a = [18, 22, 33, 3, 5, 6]
  
# declaring array
b = [1, 4, 1, 1, 88, 9]
  
# declaring array
c = [18, 22, 3, 3, 53, 6]
  
# map
puts "map method : #{c.map {|num| num > 10 }}\n\n"
  
# map
puts "map method : #{c.map {|num| num.even? }}\n\n"

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Output :

map method : [true, true, false, false, true, false]

map method : [true, true, false, false, false, true]




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