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Fix infinite recursion in PrintList. (#642)

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Also make `Stack`'s single-argument constructor explicit, which would have helped catch this at compile time.
This commit is contained in:
Geoff Romer
2021-07-13 09:57:22 -07:00
committed by GitHub
parent 6fa42a7f3c
commit 69b4b0086f
2 changed files with 2 additions and 2 deletions
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executable_semantics/interpreter/action.cpp
+1 -1
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@@ -102,7 +102,7 @@ void Action::Print(std::ostream& out) {
void Action::PrintList(Stack<Action*> ls, std::ostream& out) {
if (!ls.IsEmpty()) {
PrintList(ls.Pop(), out);
ls.Pop()->Print(out);
if (!ls.IsEmpty()) {
out << " :: ";
PrintList(ls, out);