bugfix: symbol got overwritten

2 files changed, 4 insertions, 2 deletions

diff --git a/neb/__init__.py b/neb/__init__.py
index bfbea19..b48b8f9 100644
--- a/neb/__init__.py
+++ b/neb/__init__.py
@@ -26,6 +26,8 @@ def syntaxFunc(symbol, env, ns):
             if isinstance(env_func, MultiFunction):
                 env_func.register(func)
                 env.register(symbol.name, env_func)
+            else:
+                raise InterpretPanic(symbol, "not a multifunc!")
         else:
             mf = MultiFunction(symbol.name)
             mf.register(func)
diff --git a/neb/parser.py b/neb/parser.py
index 360eac4..930e77e 100644
--- a/neb/parser.py
+++ b/neb/parser.py
@@ -48,8 +48,8 @@ def parseLambda(token, prev, tokens):
             typ, counter = parseType(token, prev, tokens[idx+1:])
             body.append(typ)
         else:
-            sym, counter = parseSymbol(token, prev, tokens[idx+1:])
-            body.append(sym)
+            inner_sym, counter = parseSymbol(token, prev, tokens[idx+1:])
+            body.append(inner_sym)
         idx += counter
         prev = token