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Contents
# frozen_string_literal: true
# Hash helpers
class ::Hash
##
## Freeze all values in a hash
##
## @return [Hash] Hash with all values frozen
##
def deep_freeze
chilled = {}
each do |k, v|
chilled[k] = v.is_a?(Hash) ? v.deep_freeze : v.freeze
end
chilled.freeze
end
##
## Deep freeze a hash in place (destructive)
##
def deep_freeze!
replace deep_thaw.deep_freeze
end
##
## Unfreeze nested hash values
##
## @return [Hash] Hash with all values unfrozen
##
def deep_thaw
chilled = {}
each do |k, v|
chilled[k] = v.is_a?(Hash) ? v.deep_thaw : v.dup
end
chilled.dup
end
##
## Unfreeze nested hash values in place (destructive)
##
def deep_thaw!
replace deep_thaw
end
# Turn all keys into string
#
# @return [Hash] hash with all keys as strings
#
def stringify_keys
each_with_object({}) { |(k, v), hsh| hsh[k.to_s] = v.is_a?(Hash) ? v.stringify_keys : v }
end
##
## Turn all keys into strings in place (destructive)
##
def stringify_keys!
replace stringify_keys
end
# Turn all keys into symbols
#
# @return [Hash] hash with all keys as symbols
#
def symbolize_keys
each_with_object({}) { |(k, v), hsh| hsh[k.to_sym] = v.is_a?(Hash) ? v.symbolize_keys : v }
end
##
## Turn all keys into symbols in place (destructive)
##
def symbolize_keys!
replace symbolize_keys
end
end
Version data entries
41 entries across 41 versions & 1 rubygems