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Ruby | Array select!() function

Last Updated : 06 Dec, 2019
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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 
# 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 
# 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]

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Ruby | Array select!() function

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