class Hash
Public Instance Methods
deep_merge(other_hash, &block)
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# File lib/core/ext/hash.rb, line 2 def deep_merge(other_hash, &block) dup.deep_merge!(other_hash) end
deep_merge!(other_hash, &block)
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# File lib/core/ext/hash.rb, line 6 def deep_merge!(other_hash, &block) merge!(other_hash) do |key, this_val, other_val| if this_val.is_a?(Hash) && other_val.is_a?(Hash) this_val.deep_merge(other_val, &block) elsif block_given? block.call(key, this_val, other_val) else other_val end end end
except(*less_keys)
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# File lib/core/ext/hash.rb, line 24 def except(*less_keys) slice(*keys - less_keys) end
slice(*keep_keys)
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# File lib/core/ext/hash.rb, line 18 def slice(*keep_keys) h = {} keep_keys.each { |key| has_key?(key) && h[key] = fetch(key, nil) } h end