TclStubs.tcl_SetVar2Ex

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)
Tcl_Obj* function(Tcl_Interp* interp, const(char)* part1, const(char)* part2, Tcl_Obj* newValuePtr, int flags) nothrow tcl_SetVar2Ex;

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