module Solve

def engine=(selected_engine)

Raises:

(Solve::Errors::InvalidEngine) - when `selected_engine` is invalid.
(Solve::Errors::EngineNotAvailable) - when the selected engine's deps aren't installed.

Returns:

(Symbol) - selected_engine

Parameters:

selected_engine (Symbol) --

def engine=(selected_engine)
  engine_class = solver_for_engine(selected_engine)
  if engine_class.nil?
    raise Errors::InvalidEngine, "Engine `#{selected_engine}` is not supported. Valid values are `:ruby`, `:gecode`"
  else
    engine_class.activate
  end
  @engine = selected_engine
end

Instance Methods