Remove redundant operator override check

Author: antonmedv

checker/checker.go

@@ -238,14 +238,6 @@ func (v *checker) BinaryNode(node *ast.BinaryNode) (reflect.Type, info) {
 	l = deref.Type(l)
 	r = deref.Type(r)
 
-	// check operator overloading
-	if fns, ok := v.config.Operators[node.Operator]; ok {
-		t, _, ok := conf.FindSuitableOperatorOverload(fns, v.config.Types, v.config.Functions, l, r)
-		if ok {
-			return t, info{}
-		}
-	}
-
 	switch node.Operator {
 	case "==", "!=":
 		if isComparable(l, r) {

checker/checker_test.go

@@ -714,30 +714,6 @@ func TestCheck_AllowUndefinedVariables_OptionalChaining(t *testing.T) {
 	assert.NoError(t, err)
 }
 
-func TestCheck_OperatorOverload(t *testing.T) {
-	type Date struct{}
-	env := map[string]any{
-		"a": Date{},
-		"b": Date{},
-		"add": func(a, b Date) bool {
-			return true
-		},
-	}
-	tree, err := parser.Parse(`a + b`)
-	require.NoError(t, err)
-
-	config := conf.New(env)
-	expr.AsBool()(config)
-
-	_, err = checker.Check(tree, config)
-	require.Error(t, err)
-	require.Contains(t, err.Error(), "invalid operation: + (mismatched types checker_test.Date and checker_test.Date)")
-
-	expr.Operator("+", "add")(config)
-	_, err = checker.Check(tree, config)
-	require.NoError(t, err)
-}
-
 func TestCheck_PointerNode(t *testing.T) {
 	_, err := checker.Check(&parser.Tree{Node: &ast.PointerNode{}}, nil)
 	assert.Error(t, err)