From 6201e78201b1d942a92df559f1914252694c1547 Mon Sep 17 00:00:00 2001
From: yuyi <yuyi98@163.com>
Date: Fri, 20 Aug 2021 14:28:26 +0800
Subject: [PATCH] checker: fix generic struct with non-generic interface in
 generic fn (#11252)

---
 vlib/v/checker/checker.v                           |  5 +++++
 ...nerics_struct_with_non_generic_interface_test.v | 14 ++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/vlib/v/checker/checker.v b/vlib/v/checker/checker.v
index 718ebd8761..122fbe1c6b 100644
--- a/vlib/v/checker/checker.v
+++ b/vlib/v/checker/checker.v
@@ -731,6 +731,11 @@ fn (mut c Checker) unwrap_generic_type(typ ast.Type, generic_names []string, con
 						final_concrete_types << t_typ
 					}
 				}
+				if final_concrete_types.len > 0 {
+					for method in ts.methods {
+						c.table.register_fn_concrete_types(method.name, final_concrete_types)
+					}
+				}
 			}
 		}
 		else {}
diff --git a/vlib/v/tests/generics_struct_with_non_generic_interface_test.v b/vlib/v/tests/generics_struct_with_non_generic_interface_test.v
index e9c22ce370..475f3f0c38 100644
--- a/vlib/v/tests/generics_struct_with_non_generic_interface_test.v
+++ b/vlib/v/tests/generics_struct_with_non_generic_interface_test.v
@@ -23,3 +23,17 @@ fn test_generic_struct_with_non_generic_interface() {
 	println(ret)
 	assert ret == 106
 }
+
+fn run<T>(data T) {
+	t := Test<T>{
+		data: data
+		salt: 6
+	}
+	x := box_transform(t)
+	println(x)
+	assert x == 106
+}
+
+fn test_generic_struct_with_non_generic_interface_in_generic_fn() {
+	run('foo')
+}