Ruby | Array class insert() function

insert() is a Array class method which returns the array by inserting a given element at the specified index value.

Syntax: Array.insert()

Parameter: Array
index
element

Return: insert elements the specific index value

Example #1 :

# Ruby code for insert() method

# declaring array
a = [18, 22, 33, nil, 5, 6]

# declaring array
b = [1, 4, 1, 1, 88, 9]

# declaring array
c = [18, 22, nil, nil, 50, 6]

# insert
puts "insert : #{a.insert(2, 5)}\n\n"

# insert
puts "insert : #{b.insert(2, 4, 1, 1)}\n\n"

# insert
puts "insert : #{c.insert(4, 4)}\n\n"

Output :

insert : [18, 22, 5, 33, nil, 5, 6]

insert : [1, 4, 4, 1, 1, 1, 1, 88, 9]

insert : [18, 22, nil, nil, 4, 50, 6]

Example #2 :

# Ruby code for insert() method

# declaring array
a = ["abc", "nil", "dog"]

# declaring array
b = ["cow", nil, "dog"]

# declaring array
c = ["cat", nil, nil]

# insert
puts "insert : #{a.insert(2, 5)}\n\n"

# insert
puts "insert : #{b.insert(2, 4, 1, 1)}\n\n"

# insert
puts "insert : #{c.insert(4, 4)}\n\n"

Output :

insert : ["abc", "nil", 5, "dog"]

insert : ["cow", nil, 4, 1, 1, "dog"]

insert : ["cat", nil, nil, nil, 4]