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Contents
module R10K
module Util
module SymbolizeKeys
module_function
# Convert all String keys to Symbol keys
#
# @param hash [Hash] The data structure to convert
# @param recurse [Boolean] Whether to recursively symbolize keys in nested
# hash values. Defaults to false.
# @raise [TypeError] If a String key collides with an existing Symbol key
# @return [void]
def symbolize_keys!(hash, recurse = false)
hash.keys.each do |key|
if key.is_a?(String)
if hash.key?(key.to_sym)
raise TypeError, "An existing interned key for #{key} exists, cannot overwrite"
end
hash[key.to_sym] = hash.delete(key)
key = key.to_sym
end
value = hash[key]
if recurse && value.is_a?(Hash)
symbolize_keys!(value, true)
end
end
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems