Skip to content
Related Articles

Related Articles

Improve Article
Ruby | Array select!() function
  • Last Updated : 06 Dec, 2019

Array#select!() : select!() is a Array class method which returns the given block passing in successive elements from self, deleting elements for which the block returns a false value.

Syntax: Array.select!()

Parameter: Array

Return: the given block passing in successive elements from self, deleting elements for which the block returns a false value.

Example #1 :






# Ruby code for select!() 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]
  
# select!
puts "select! method : #{a.select! {|num| num > 10 }}\n\n"
  
# select!
puts "select! method : #{b.select! {|x| x.odd? }}\n\n"

Output :

select! method : [18, 22, 33]

select! method : [1, 1, 1, 9]

Example #2 :




# Ruby code for select!() 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]
  
# select!
puts "select! method : #{c.select! {|num| num > 10 }}\n\n"
  
# select!
puts "select! method : #{c.select! {|num| num.even? }}\n\n"

Output :

select! method : [18, 22, 53]

select! method : [18, 22]




My Personal Notes arrow_drop_up
Recommended Articles
Page :