From 5d2a2a1caa1a12a5c445fcc99e2dee42e5a5f3d7 Mon Sep 17 00:00:00 2001 From: Camelid Date: Sat, 5 Dec 2020 13:12:39 -0800 Subject: Add explanations and suggestions to `irrefutable_let_patterns` lint --- src/test/ui/pattern/usefulness/deny-irrefutable-let-patterns.rs | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'src/test/ui/pattern/usefulness/deny-irrefutable-let-patterns.rs') diff --git a/src/test/ui/pattern/usefulness/deny-irrefutable-let-patterns.rs b/src/test/ui/pattern/usefulness/deny-irrefutable-let-patterns.rs index c1cfa4695c9..7549eae7016 100644 --- a/src/test/ui/pattern/usefulness/deny-irrefutable-let-patterns.rs +++ b/src/test/ui/pattern/usefulness/deny-irrefutable-let-patterns.rs @@ -1,3 +1,6 @@ +#![feature(if_let_guard)] +#![allow(incomplete_features)] + #![deny(irrefutable_let_patterns)] fn main() { @@ -6,4 +9,9 @@ fn main() { while let _ = 5 { //~ ERROR irrefutable `while let` pattern break; } + + match 5 { + _ if let _ = 2 => {} //~ ERROR irrefutable `if let` guard pattern + _ => {} + } } -- cgit 1.4.1-3-g733a5