class Prism::Pattern

def compile_hash_pattern_node(node)
  compile_error(node) if node.rest
  compiled_constant = compile_node(node.constant) if node.constant
  preprocessed =
    node.elements.to_h do |element|
      key = element.key
      if key.is_a?(SymbolNode)
        [key.unescaped.to_sym, compile_node(element.value)]
      else
        raise CompilationError, element.inspect
      end
    end
  compiled_keywords = ->(other) do
    deconstructed = other.deconstruct_keys(preprocessed.keys)
    preprocessed.all? do |keyword, matcher|
      deconstructed.key?(keyword) && matcher.call(deconstructed[keyword])
    end
  end
  if compiled_constant
    combine_and(compiled_constant, compiled_keywords)
  else
    compiled_keywords
  end
end