Login Register

deep_dup

deep_dup()

Instance Public methods

Returns a deep copy of array.

array = [1, [2, 3]]
dup   = array.deep_dup
dup[1][2] = 4

array[1][2] # => nil
dup[1][2]   # => 4

Links:

https://github.com/rails/rails/blob/efff6c1fd4b9e2e4c9f705a45879373cb34a5b0e/activesupport/lib/active_support/core_ext/object/deep_dup.rb#L27

doc_ruby_on_rails

2015-06-20 00:00:00

Comments

Leave a Comment

Please login to continue.

Popular Articles

deep_dup deep_dup() Instance Public methods Returns a deep copy of hash. hash = { a: { b: 'b' } } dup = hash.deep_dup dup[:a][:c] = 'c' hash[:a

deep_dup deep_dup() Instance Public methods Returns a deep copy of object if it's duplicable. If it's not duplicable, returns self. object = Obje

dup dup() Instance Public methods Raises a TypeError to prevent duping.

dup dup() Instance Public methods

dup obj.dup â an_object Instance Public methods Produces a shallow copy of objâthe instance variables of obj are copied, but not the object