quick_emit

# File lib/yaml.rb, line 380
        def YAML.quick_emit( oid, opts = {}, &e )
        out = 
            if opts.is_a? YAML::Emitter
                opts
            else
                emitter.reset( opts )
            end
        oid =
            case oid when Fixnum, NilClass; oid
            else oid = "#{oid.object_id}-#{oid.hash}"
            end
        out.emit( oid, &e )
        end