xo-interpreter: + toplevel env in VSM

This commit is contained in:
Roland Conybeare 2025-11-23 21:41:14 -05:00
commit fb4737c27a

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@ -39,7 +39,7 @@ namespace xo {
if (ix == global_map_.end()) {
/* not found */
return bp<Variable>::from_native(nullptr);
return bp<Variable>();
}
return ix->second;