3 files changed, 9 insertions, 5 deletions

diff --git a/spec/inputs/funcs.mp b/spec/inputs/funcs.mp
index 4176e33..0e45ff1 100644
--- a/spec/inputs/funcs.mp
+++ b/spec/inputs/funcs.mp
@@ -46,6 +46,7 @@ _ = (x = if something then yeah else no) ->
 something = (hello=100, world=(x=[[yeah cool]])-> print "eat rice") ->
         print hello
 
+_ = () =>
 _ = (x, y) =>
 _ = (@x, @y) =>
 _ = (x=1) =>
diff --git a/spec/inputs/macro.mp b/spec/inputs/macro.mp
index fafa522..be88a3f 100644
--- a/spec/inputs/macro.mp
+++ b/spec/inputs/macro.mp
@@ -110,7 +110,7 @@ do
         a += $get_inner_hygienic!
         print a
 
-macro lua lua = (codes)-> "#{codes}"
+macro lua lua = (codes)-> codes
 
 x = 0
 
diff --git a/src/MoonP/moon_compiler.cpp b/src/MoonP/moon_compiler.cpp
index d49cf14..e8649ae 100644
--- a/src/MoonP/moon_compiler.cpp
+++ b/src/MoonP/moon_compiler.cpp
@@ -53,7 +53,7 @@ inline std::string s(std::string_view sv) {
         return std::string(sv);
 }
 
-const std::string_view version = "0.4.22"sv;
+const std::string_view version = "0.4.23"sv;
 const std::string_view extension = "mp"sv;
 
 class MoonCompilerImpl {
@@ -1877,9 +1877,12 @@ private:
                         auto& args = *it;
                         auto& initArgs = *(++it);
                         auto& bodyCodes = *(++it);
-                        _buf << "function("sv <<
-                                (isFatArrow ? s("self, "sv) : Empty) <<
-                                args << ')';
+                        _buf << "function("sv;
+                        if (isFatArrow) {
+                                _buf << "self"sv;
+                                if (!args.empty()) _buf << ", "sv;
+                        }
+                        _buf << args << ')';
                         if (!initArgs.empty() || !bodyCodes.empty()) {
                                 _buf << nlr(argsDef) << initArgs << bodyCodes;
                                 popScope();