Sha256: 4921878b7741cdb26e5173b4d18fc19f45bb5f09052d9dfbfab1640938604171
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Size: 1.23 KB
Versions: 12
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Stored size: 1.23 KB
Contents
# encoding: utf-8
module IceNine
class Freezer
# A freezer class for handling Hash objects
class Hash < Object
# Deep Freeze a Hash
#
# @example
# hash = IceNine::Freezer::Hash.deep_freeze('a' => '1', 'b' => '2')
# hash.keys.select(&:frozen?) # => ['a', 'b']
# hash.values.select(&:frozen?) # => ['1', '2']
#
# @param [Hash] hash
# @param [RecursionGuard] recursion_guard
#
# @return [Hash]
def self.guarded_deep_freeze(hash, recursion_guard)
super
default = hash.default_proc || hash.default
Freezer.guarded_deep_freeze(default, recursion_guard)
freeze_key_value_pairs(hash, recursion_guard)
end
# Handle freezing the key/value pairs
#
# @param [Hash] hash
# @param [RecursionGuard] recursion_guard
#
# @return [undefined]
#
# @api private
def self.freeze_key_value_pairs(hash, recursion_guard)
hash.each do |key, value|
Freezer.guarded_deep_freeze(key, recursion_guard)
Freezer.guarded_deep_freeze(value, recursion_guard)
end
end
private_class_method :freeze_key_value_pairs
end # Hash
end # Freezer
end # IceNine
Version data entries
12 entries across 10 versions & 4 rubygems