From d030905c339ed22146e19a8fc08df606cd13c31b Mon Sep 17 00:00:00 2001
From: Jaro Fietz <jaro.fietz@gmx.de>
Date: Tue, 29 Jun 2021 15:13:43 +0200
Subject: [PATCH 1/3] Make the most special expression even more special
Add or-pattern syntax in argument position
---
src/test/ui/weird-exprs.rs | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/test/ui/weird-exprs.rs b/src/test/ui/weird-exprs.rs
index 2d7ebbf1d5b04..747ec6e5ac03f 100644
--- a/src/test/ui/weird-exprs.rs
+++ b/src/test/ui/weird-exprs.rs
@@ -116,7 +116,7 @@ fn union() {
}
fn special_characters() {
- let val = !((|(..):(_,_),__@_|__)((&*"\\",'🤔')/**/,{})=={&[..=..][..];})//
+ let val = !((|(..):(_,_),(|__@_|__)|__)((&*"\\",'#')/**/,{})=={&[..=..][..];})//
;
assert!(!val);
}
From f7aea1c28ac4889999a266e3bf44ca22727ce448 Mon Sep 17 00:00:00 2001
From: Jaro Fietz <jaro.fietz@gmx.de>
Date: Tue, 29 Jun 2021 20:22:44 +0200
Subject: [PATCH 2/3] Add unicode identifier to weird-exprs
Use unicode identifiers and a unicode emoji in weird-exprs.rs
---
src/test/ui/weird-exprs.rs | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/src/test/ui/weird-exprs.rs b/src/test/ui/weird-exprs.rs
index 747ec6e5ac03f..ff1188668e13b 100644
--- a/src/test/ui/weird-exprs.rs
+++ b/src/test/ui/weird-exprs.rs
@@ -7,6 +7,7 @@
#![allow(dead_code)]
#![allow(unreachable_code)]
#![allow(unused_braces, unused_must_use, unused_parens)]
+#![allow(uncommon_codepoints, confusable_idents)]
#![recursion_limit = "256"]
@@ -165,6 +166,13 @@ fn monkey_barrel() {
assert_eq!(val, ());
}
+fn unicode() {
+ fn 𝚋𝚛𝚎𝚊𝚔() -> char { '🤔' }
+ assert_eq!(loop {
+ break 𝚋𝚛𝚎𝚊𝚔 ();
+ }, '🤔');
+}
+
pub fn main() {
strange();
funny();
@@ -184,4 +192,5 @@ pub fn main() {
i_yield();
match_nested_if();
monkey_barrel();
+ unicode();
}
From f1aea95e46180dfc3a52dfc482e617a779299078 Mon Sep 17 00:00:00 2001
From: Jaro Fietz <jaro.fietz@gmx.de>
Date: Tue, 29 Jun 2021 20:28:44 +0200
Subject: [PATCH 3/3] Add a function returning itself to weird-exprs
---
src/test/ui/weird-exprs.rs | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/src/test/ui/weird-exprs.rs b/src/test/ui/weird-exprs.rs
index ff1188668e13b..0fd8ba314daef 100644
--- a/src/test/ui/weird-exprs.rs
+++ b/src/test/ui/weird-exprs.rs
@@ -2,6 +2,7 @@
#![feature(generators)]
#![feature(destructuring_assignment)]
+#![feature(unboxed_closures, fn_traits)]
#![allow(non_camel_case_types)]
#![allow(dead_code)]
@@ -173,6 +174,17 @@ fn unicode() {
}, '🤔');
}
+fn function() {
+ struct foo;
+ impl FnOnce<()> for foo {
+ type Output = foo;
+ extern "rust-call" fn call_once(self, _args: ()) -> Self::Output {
+ foo
+ }
+ }
+ let foo = foo () ()() ()()() ()()()() ()()()()();
+}
+
pub fn main() {
strange();
funny();
@@ -193,4 +205,5 @@ pub fn main() {
match_nested_if();
monkey_barrel();
unicode();
+ function();
}