From 708907df31b86e9ddec0e6204121a9f59714e75d Mon Sep 17 00:00:00 2001
From: gingerBill <bill@gingerbill.org>
Date: Thu, 9 Aug 2018 17:59:18 +0100
Subject: [PATCH] `auto_cast` for named parameters

---
 src/check_expr.cpp | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/check_expr.cpp b/src/check_expr.cpp
index 5427fcd65..e3b4cd7d3 100644
--- a/src/check_expr.cpp
+++ b/src/check_expr.cpp
@@ -4101,10 +4101,18 @@ CALL_ARGUMENT_CHECKER(check_named_call_arguments) {
 		} else {
 			i64 s = 0;
 			if (!check_is_assignable_to_with_score(c, o, e->type, &s)) {
-				if (show_error) {
-					check_assignment(c, o, e->type, str_lit("procedure argument"));
+				bool ok = false;
+				if (e->flags & EntityFlag_AutoCast) {
+					ok = check_is_castable_to(c, o, e->type);
+				}
+				if (ok) {
+					s = assign_score_function(10);
+				} else {
+					if (show_error) {
+						check_assignment(c, o, e->type, str_lit("procedure argument"));
+					}
+					err = CallArgumentError_WrongTypes;
 				}
-				err = CallArgumentError_WrongTypes;
 			}
 			score += s;
 		}