TclStubs.Tcl_NRCmdSwap

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
struct TclStubs
extern (C)
int function(Tcl_Interp* interp, Tcl_Command cmd, int objc, const(Tcl_Obj*)* objv, int flags) nothrow Tcl_NRCmdSwap;

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