type=module
superclass=
included=
extended=
library=tsort

TSort ϶Ϣʬ˴ؤ Tarjan Υ르ꥺѤ
ȥݥ륽ȤμǤ

TSort ǤդΥ֥ȤͭդȤƲǤ褦߷פƤޤ
TSort ֥Ȥ򥰥դȤƲ᤹ˤ2ĤΥ᥽åɤ׵ᤷޤ
ʤtsort_each_node  tsort_each_child Ǥ

 * tsort_each_node ϥվΤ٤Ƥĺ󤹤ΤѤޤ
 * tsort_each_child Ϳ줿ĺλҤ󤹤ΤѤޤ

ĺƱΤ eql?  hash ˤäޤ
 TSort ǥϥåѤƤ뤫Ǥ
