feat: an error for passing null to a function

lunarcast · Jul 9, 2020 · f8bdf86 · f8bdf86
1 parent 3574486
commit f8bdf86
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/Data/Dataflow/Expression/Lint.purs b/src/Data/Dataflow/Expression/Lint.purs
@@ -6,6 +6,7 @@ import Lunarbox.Data.Dataflow.Expression (Expression(..), VarName, foldExpressio
 
 data LintError l
   = UnusedDeclaration VarName l
+  | UnsaturatedFunction l l
 
 -- | Collect linting errors inside an expression
 lint :: forall l. Expression l -> Array (LintError l)
@@ -16,6 +17,10 @@ lint = foldExpression go
       [ UnusedDeclaration name location
       ]
 
+  go (FunctionCall location _ (TypedHole argLocation)) =
+    [ UnsaturatedFunction location argLocation
+    ]
+
   go a = []
 
 -- | Get all the places a variable is referenced in