fix a case when doing optional destructuring for metatable.

2 files changed, 7 insertions, 2 deletions

diff --git a/spec/inputs/switch.yue b/spec/inputs/switch.yue
index 04bb02e..9e7ecfd 100644
--- a/spec/inputs/switch.yue
+++ b/spec/inputs/switch.yue
@@ -144,5 +144,10 @@ do
                 else
                         "should not reach here unless it is not a table"
 
+do
+        switch y
+                when {x: #:mt}
+                        print mt
+
 nil
 
diff --git a/src/yuescript/yue_compiler.cpp b/src/yuescript/yue_compiler.cpp
index 2565878..21764fe 100755
--- a/src/yuescript/yue_compiler.cpp
+++ b/src/yuescript/yue_compiler.cpp
@@ -56,7 +56,7 @@ using namespace parserlib;
 
 typedef std::list<std::string> str_list;
 
-const std::string_view version = "0.13.4"sv;
+const std::string_view version = "0.13.5"sv;
 const std::string_view extension = "yue"sv;
 
 class YueCompilerImpl {
@@ -2012,7 +2012,7 @@ private:
                                 pairs.push_back({
                                         p.target,
                                         p.targetVar,
-                                        ".#"s + sep + p.structure,
+                                        ".#"s + (p.structure.empty() ? Empty : sep + p.structure),
                                         p.defVal
                                 });
                         }