Add explanations and suggestions to `irrefutable_let_patterns` lint

1 files changed, 7 insertions, 0 deletions

diff --git a/src/test/ui/while-let.stderr b/src/test/ui/while-let.stderr
index 6538b9fbe6f..04e77bf9470 100644
--- a/src/test/ui/while-let.stderr
+++ b/src/test/ui/while-let.stderr
@@ -10,6 +10,8 @@ LL | |     });
    | |_______- in this macro invocation
    |
    = note: `#[warn(irrefutable_let_patterns)]` on by default
+   = note: this pattern will always match, so the loop will never exit
+   = help: consider instead using a `loop { ... }` with a `let` inside it
    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
 
 warning: irrefutable `while let` pattern
@@ -23,6 +25,8 @@ LL | |         println!("irrefutable pattern");
 LL | |     });
    | |_______- in this macro invocation
    |
+   = note: this pattern will always match, so the loop will never exit
+   = help: consider instead using a `loop { ... }` with a `let` inside it
    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
 
 warning: irrefutable `while let` pattern
@@ -33,6 +37,9 @@ LL | |         println!("irrefutable pattern");
 LL | |         break;
 LL | |     }
    | |_____^
+   |
+   = note: this pattern will always match, so the loop will never exit
+   = help: consider instead using a `loop { ... }` with a `let` inside it
 
 warning: 3 warnings emitted