Ruby | Array delete_if() operation
Array#delete_if() : delete_if() is a Array class method which deletes the arrays elements for which the block condition satisifies.
Syntax: Array.delete_if() Parameter: block - condition for deleting the elements. Return: array after deleting the elements
Code #1 : Example for delete_if() method
# Ruby code for delete_if() method # declaring array a = [18, 22, 33, 23, 5, 6] # declaring array b = [1, 4, 1, 1, 88, 9] # declaring array c = [18, 22, 12, 24, 50, 6] # delete puts "delete : #{a.delete_if{|x| x < 1}}\n\n" # delete puts "delete : #{b.delete_if{|b| b==1}}\n\n" |
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filter_none
Output :
delete : [18, 22, 33, 23, 5, 6] delete : [4, 88, 9]
Code #2 : Example for delete_if() method
# Ruby code for delete_if() method # declaring array a = ["abc", "geeks", "dog"] # declaring array b = ["cow", "1", "dog"] # delete puts "delete : #{a.delete_if{|x| x != "dog"}}\n\n" # delete puts "delete : #{b.delete_if{|b| b=="1"}}\n\n" |
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filter_none
Output :
delete : ["dog"] delete : ["cow", "dog"]
