class Polars::ChainedWhen

@private

def initialize(chained_when) 

def initialize(chained_when)
  self._chained_when = chained_when
end

def then(statement) 

def then(statement)
  statement_rbexpr = Utils.parse_into_expression(statement)
  ChainedThen.new(_chained_when.then(statement_rbexpr))
end