module R10K::Util::SymbolizeKeys
Public Instance Methods
symbolize_keys!(hash, recurse = false)
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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]
# File lib/r10k/util/symbolize_keys.rb, line 13 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