class Hash
Rails symbolize keys methods for Hash
Public Instance Methods
symbolize_keys()
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# File lib/do_snapshot/core_ext/hash.rb, line 28 def symbolize_keys transform_keys { |key| key.to_sym rescue key } # rubocop:disable Style/RescueModifier end
symbolize_keys!()
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Destructively convert all keys to symbols, as long as they respond to to_sym
. Same as symbolize_keys
, but modifies self
.
# File lib/do_snapshot/core_ext/hash.rb, line 34 def symbolize_keys! transform_keys! { |key| key.to_sym rescue key } # rubocop:disable Style/RescueModifier end
transform_keys() { |key| ... }
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Returns a new hash with all keys converted using the block operation.
hash = { name: 'Rob', age: '28' } hash.transform_keys{ |key| key.to_s.upcase } # => {"NAME"=>"Rob", "AGE"=>"28"}
# File lib/do_snapshot/core_ext/hash.rb, line 11 def transform_keys result = {} each_key do |key| result[yield(key)] = self[key] end result end
transform_keys!() { |key| ... }
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Destructively convert all keys using the block operations. Same as transform_keys
but modifies self
.
# File lib/do_snapshot/core_ext/hash.rb, line 21 def transform_keys! keys.each do |key| self[yield(key)] = delete(key) end self end