# File lib/Solution.rb, line 11
        def initialize(variables, meritMap={})
            if not variables.kind_of?(Array)
                variables = Array.new([ variables ])
            end
            if ((variables.collect { |var| var.assigned? }).foldLeft(Proc.new { |a,b| a & b }))
                @variables = Array.new
                variables.each { |variable|
                    @variables << variable.dup
                }
            else
                raise ArgumentError, "All variables must have values assigned to them!"
            end
            @merit = 0
            @variables.each { |var|
                @merit += meritMap[var.value] ? var.merit * meritMap[var.value] : var.merit
            }
        end

# File lib/Solution.rb, line 35
        def <=>(solution)
            @value <=> solution.value
        end

# File lib/Solution.rb, line 39
        def ==(solution)
            return false unless solution.kind_of?(Solution)
            @variables == solution.variables and @merit == solution.merit
        end

# File lib/Solution.rb, line 29
        def each
            @variables.each { |variable|
                yield variable
            }
        end

# File lib/Solution.rb, line 44
        def to_s
            s = (@variables.collect { |variable|
                variable.to_s
            }).join(", ")
            s += ", merit " + merit.to_s unless merit.nil?
            return s
        end