This is a part of the [struct] module in the [tcllib] distribution. It is a companion package for [struct::graph]. It was created as part of Google's Summer Of Code 2008. The documentation for this package will joyfully be found at https://core.tcl-lang.org/tcllib/doc/trunk/embedded/md/tcllib/files/modules/struct/graphops.md Use this to perform a number of graph algorithms on directed graph objects providing the same API as the graphs created by [struct::graph]. <> Data Structure | Tcllib | Package | Graph Theory