From 4bb1592402003184cd73c6ee5b135df084ea5abc Mon Sep 17 00:00:00 2001 From: Esteban Küber Date: Wed, 9 Oct 2019 12:25:48 -0700 Subject: Suggest `if let` on `let` refutable binding --- src/test/ui/error-codes/E0005.stderr | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'src/test/ui/error-codes') diff --git a/src/test/ui/error-codes/E0005.stderr b/src/test/ui/error-codes/E0005.stderr index 56a4bcffc81..577c6e886d5 100644 --- a/src/test/ui/error-codes/E0005.stderr +++ b/src/test/ui/error-codes/E0005.stderr @@ -3,6 +3,13 @@ error[E0005]: refutable pattern in local binding: `None` not covered | LL | let Some(y) = x; | ^^^^^^^ pattern `None` not covered + | + = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant + = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html +help: you might want to use `if let` to ignore the variant that isn't matched + | +LL | if let Some(y) = x { /* */ } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error -- cgit 1.4.1-3-g733a5