1 files changed, 24 insertions, 0 deletions
diff --git a/v_windows/v/vlib/v/tests/fn_mut_arg_of_array_test.v b/v_windows/v/vlib/v/tests/fn_mut_arg_of_array_test.v
new file mode 100644
index 0000000..012d5bc
--- /dev/null
+++ b/v_windows/v/vlib/v/tests/fn_mut_arg_of_array_test.v
@@ -0,0 +1,24 @@
+fn test_fn_mut_arg_of_array() {
+	mut a := App{}
+	a.data << 1
+	a.do_something()
+	assert a.data.len == 2
+}
+
+struct App {
+pub mut:
+	data []int
+}
+
+fn (mut a App) do_something() {
+	assert a.data.len == 1
+	mut p := Proc{}
+	p.make_a(mut a.data)
+	assert a.data.len == 2
+}
+
+struct Proc {}
+
+fn (mut p Proc) make_a(mut data []int) {
+	data << 2
+}