From 332d52f459b1088dbc240d22e1d3d1cf97a10e2f Mon Sep 17 00:00:00 2001
From: Kris Cherven <50562493+krischerven@users.noreply.github.com>
Date: Thu, 16 Apr 2020 01:28:41 -0400
Subject: [PATCH] fmt: stop mangling reference names

---
 vlib/v/fmt/fmt.v                  |  8 +++++++-
 vlib/v/fmt/tests/type_ptr_keep.vv | 14 ++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 vlib/v/fmt/tests/type_ptr_keep.vv

diff --git a/vlib/v/fmt/fmt.v b/vlib/v/fmt/fmt.v
index bcb72c57e5..37e9d75638 100644
--- a/vlib/v/fmt/fmt.v
+++ b/vlib/v/fmt/fmt.v
@@ -453,7 +453,13 @@ fn (f mut Fmt) struct_decl(node ast.StructDecl) {
 }
 
 fn (f &Fmt) type_to_str(t table.Type) string {
-	res := f.table.type_to_str(t)
+	mut res := f.table.type_to_str(t)
+	// type_ptr => &type
+	if res.ends_with('_ptr') {
+		res = res[0 .. res.len-4]
+		start_pos := 2 * res.count('[]')
+		res = res[0 .. start_pos] + '&' + res[start_pos .. res.len]
+	}
 	return res.replace(f.cur_mod + '.', '')
 }
 
diff --git a/vlib/v/fmt/tests/type_ptr_keep.vv b/vlib/v/fmt/tests/type_ptr_keep.vv
new file mode 100644
index 0000000000..d54911c24d
--- /dev/null
+++ b/vlib/v/fmt/tests/type_ptr_keep.vv
@@ -0,0 +1,14 @@
+const (
+	x = &Test{}
+	y = []&Test
+	z = &[]&Test
+)
+
+fn test_type_ptr() {
+	a := &Test{}
+	b := []&Test
+	c := &[]&Test
+}
+
+struct Test {
+}