Ruby | Array map!() operation
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 :
a = [ 18 , 22 , 33 , 3 , 5 , 6 ]
b = [ 1 , 4 , 1 , 1 , 88 , 9 ]
c = [ 18 , 22 , 3 , 3 , 50 , 6 ]
puts "map! method : #{a.map! {|num| num > 10 }}\n\n"
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 :
a = [ 18 , 22 , 33 , 3 , 5 , 6 ]
b = [ 1 , 4 , 1 , 1 , 88 , 9 ]
c = [ 18 , 22 , 3 , 3 , 53 , 6 ]
puts "map! method : #{c.map! {|num| num > 10 }}\n\n"
puts "map! method : #{a.map! {|num| num > 10 }}\n\n"
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Output :
map! method : [true, true, false, false, true, false]
map! method : [true, true, true, false, false, false]
Last Updated :
06 Dec, 2019
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