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authorEsteban Küber <esteban@kuber.com.ar>2019-10-09 12:25:48 -0700
committerEsteban Küber <esteban@kuber.com.ar>2019-10-09 12:25:48 -0700
commit4bb1592402003184cd73c6ee5b135df084ea5abc (patch)
tree7653b07f00f3f4d9a901bd1ae6852a2013ef0f81 /src/test/ui/error-codes
parentec557aa8180ca08ff749793b3d42383618b96044 (diff)
downloadrust-4bb1592402003184cd73c6ee5b135df084ea5abc.tar.gz
rust-4bb1592402003184cd73c6ee5b135df084ea5abc.zip
Suggest `if let` on `let` refutable binding
Diffstat (limited to 'src/test/ui/error-codes')
-rw-r--r--src/test/ui/error-codes/E0005.stderr7
1 files changed, 7 insertions, 0 deletions
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