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Ruby | clear() function

  • Last Updated : 06 May, 2019
Geek Week

The clear() function in Ruby is used to remove all the elements of the given array and returns the array with no elements.

Syntax: Array.clear
Here Array is the input array whose elements are to be cleared.

Parameters: This function does not accept any parameter.

Returns: the array with no elements.

Example 1:






# Initializing some arrays of elements
Array1 = ["Alphabets", "a", "b", "c", "d", "e"]
Array2 = ["Names", "gfg", "Geeks", "Geek", "GeeksforGeeks"]
Array3 = ["City", "Kolkata", "Mumbai", "Delhi", "Patna"]
  
# Calling clear() function
A = Array1.clear
B = Array2.clear
C = Array3.clear
  
# Printing the cleared array
puts "#{A}"
puts "#{B}"
puts "#{C}"

Output:

[]
[]
[]

Example 2:




# Initializing some arrays of elements
Array1 = []
Array2 = [1, 2]
Array3 = ["a", "b", "c"]
  
# Calling clear() function and
# Printing the cleared array
puts "#{Array1.clear}"
puts "#{Array1.clear}"
puts "#{Array1.clear}"

Output:

[]
[]
[]

Reference: https://devdocs.io/ruby~2.5/array#method-i-clear




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