* Written by [Matt Newman] and [Jean-Claude Wippler], as part of [Tclkit]. * March 2003 - placed in the public domain by the authors. * * Reflecting [channel] interfaceAs for how to use it, have a look at Rchan allows channels to be implemented in Tcl.
LV Where does one find this extension?Rechan is now part of Critlib and can be downloaded from 
DKF: See also chan create, which allows for similar capabilities directly in Tcl itself from 8.5 onwards.