Ruby | Array product() function

Ruby | Array reject!() function

Last Updated : 06 Dec, 2019

Array#reject!() : reject!() is a Array class method which returns a new array containing the values which are not returned by the block.

Syntax: Array.reject!() Parameter: Array Return: a new array containing the values not returned by the block.

Example #1 :

Ruby

# Ruby code for reject!() 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]

# reject!
puts "reject! method : #{a.reject! {|num| num > 10 }}\n\n"

# reject!
puts "reject! method : #{b.reject! {|x| x.odd? }}\n\n"

Output :

reject! method : [3, 5, 6]

reject! method : [4, 88]

Example #2 :

Ruby

# Ruby code for reject!() 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]

# reject!
puts "reject! method : #{c.reject! {|num| num > 10 }}\n\n"

# reject!
puts "reject! method : #{c.reject! {|num| num.even? }}\n\n"

Output :

reject! method : [3, 3, 6]

reject! method : [3, 3]

Ruby | Array product() function

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