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2023-03-04 12:25:53 +08:00 · 2023-03-04 12:25:53 +08:00 · c4610bed76
commit c4610bed76
parent 24625f05d1
1 changed files with 1 additions and 1 deletions
--- a/a8/lisp.cc
+++ b/a8/lisp.cc
@ -130,7 +130,7 @@ namespace a8
                 "*",
                 [] (const List& params) -> std::shared_ptr<Value>
                 {
-                     double result = 0;
+                     double result = params->empty() ? 0 : 1;
                     for (auto param : *params) {
                         Atom&& atom = std::any_cast<Atom>(param->value);
                         result *= atom.val;