1 files changed, 2 insertions, 0 deletions

diff --git a/monkeypatch.hs b/monkeypatch.hs
index 0b115e3..f825868 100644
--- a/monkeypatch.hs
+++ b/monkeypatch.hs
@@ -822,6 +822,8 @@ symbolInformation = SymbolInformation
 data FunctionEnvironment = FunctionEnvironment
     { fnExternals :: Map String (SymbolInformation [CExternalDeclaration NodeInfo])
     , fnArgs      :: Map String (HS.Type ())
+        -- ^ Function name arguments and their type.
+        -- The return type is also stored here under the empty string key.
     }
 
 data Transpile c = Transpile