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 :
a = [ 18 , 22 , 33 , 3 , 5 , 6 ]
b = [ 1 , 4 , 1 , 1 , 88 , 9 ]
c = [ 18 , 22 , 3 , 3 , 50 , 6 ]
puts "select! method : #{a.select! {|num| num > 10 }}\n\n"
puts "select! method : #{b.select! {|x| x.odd? }}\n\n"
|
Output :
select! method : [18, 22, 33]
select! method : [1, 1, 1, 9]
Example #2 :
a = [ 18 , 22 , 33 , 3 , 5 , 6 ]
b = [ 1 , 4 , 1 , 1 , 88 , 9 ]
c = [ 18 , 22 , 3 , 3 , 53 , 6 ]
puts "select! method : #{c.select! {|num| num > 10 }}\n\n"
puts "select! method : #{c.select! {|num| num.even? }}\n\n"
|
Output :
select! method : [18, 22, 53]
select! method : [18, 22]
Share your thoughts in the comments
Please Login to comment...