class YARP::HashPatternNode

def initialize(constant, assocs, kwrest, opening_loc, closing_loc, location)

def initialize: (constant: Node?, assocs: Array[Node], kwrest: Node?, opening_loc: Location?, closing_loc: Location?, location: Location) -> void 
def initialize(constant, assocs, kwrest, opening_loc, closing_loc, location)
  @constant = constant
  @assocs = assocs
  @kwrest = kwrest
  @opening_loc = opening_loc
  @closing_loc = closing_loc
  @location = location
end