Ruby | Array reject!() function

Ruby | Array replace() function

Last Updated : 06 Dec, 2019

Array#replace() : replace() is a Array class method which returns an array of all combinations of elements from all arrays.

Syntax: Array.replace() Parameter: Array Return: an array of all combinations of elements from all arrays.

Example #1 :

Ruby

# Ruby code for replace() method

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

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

# declaring array
c = [2, 5]

# replace method example
a.replace(b)
puts "replace() method form : #{a}\n\n"

b.replace(c)
puts "replace() method form : #{b}\n\n"

c.replace(a)
puts "replace() method form : #{c}\n\n"

Output :

replace() method form : [1, 4, 1, 1, 88, 9]

replace() method form : [2, 5]

replace() method form : [1, 4, 1, 1, 88, 9]

Example #2 :

Ruby

# Ruby code for replace() method

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

# declaring array
c = ["hi"]

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

# replace method example
a.replace(b)
puts "replace() method form : #{a}\n\n"

b.replace(c)
puts "replace() method form : #{b}\n\n"

c.replace(a)
puts "replace() method form : #{c}\n\n"

Output :

replace() method form : ["cow", nil, "dog"]

replace() method form : ["hi"]

replace() method form : ["cow", nil, "dog"]

Ruby | Array reject!() function

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