Sha256: 1123127d61d1b2736e812dc905c6b9d033060674491b804989c727585172c9a5
Contents?: true
Size: 766 Bytes
Versions: 28
Compression:
Stored size: 766 Bytes
Contents
# originally taken from: https://github.com/rails/rails/blob/main/activesupport/lib/active_support/core_ext/object/deep_dup.rb
class Object
# Returns a deep copy of object if it's duplicable. If it's
# not duplicable, returns +self+.
#
# object = Object.new
# dup = object.deep_dup
# dup.instance_variable_set(:@a, 1)
#
# object.instance_variable_defined?(:@a) # => false
# dup.instance_variable_defined?(:@a) # => true
def deep_dup
duplicable? ? dup : self
end
end
class Array
# 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
def deep_dup
map(&:deep_dup)
end
end
Version data entries
28 entries across 28 versions & 1 rubygems