From 2fb33b2d0d14f09ee06a42bca252dccbf57185e1 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Sun, 11 Feb 2018 11:57:05 +0300
Subject: G: placeholder types

---
 src/parser/grammar/types.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/parser/grammar')

diff --git a/src/parser/grammar/types.rs b/src/parser/grammar/types.rs
index 003341db5..37b74bfe7 100644
--- a/src/parser/grammar/types.rs
+++ b/src/parser/grammar/types.rs
@@ -7,6 +7,7 @@ pub(super) fn type_(p: &mut Parser) {
         STAR => pointer_type(p),
         L_BRACK => array_or_slice_type(p),
         AMPERSAND => reference_type(p),
+        UNDERSCORE => placeholder_type(p),
         IDENT => path_type(p),
         _ => {
             p.error("expected type");
@@ -130,6 +131,15 @@ fn reference_type(p: &mut Parser) {
     m.complete(p, REFERENCE_TYPE);
 }
 
+// test placeholder_type
+// type Placeholder = _;
+fn placeholder_type(p: &mut Parser) {
+    assert!(p.at(UNDERSCORE));
+    let m = p.start();
+    p.bump();
+    m.complete(p, PLACEHOLDER_TYPE);
+}
+
 fn path_type(p: &mut Parser) {
     assert!(p.at(IDENT));
     let m = p.start();
-- 
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