From c745b4a1841bc5bea8dd50cad85921b36ca47242 Mon Sep 17 00:00:00 2001 From: Guillaume Gomez Date: Wed, 4 Mar 2020 13:01:19 +0100 Subject: [PATCH] Add explanation for E0380 --- src/librustc_error_codes/error_codes/E0380.md | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/src/librustc_error_codes/error_codes/E0380.md b/src/librustc_error_codes/error_codes/E0380.md index fe5de56933963..638f0c8ecc65f 100644 --- a/src/librustc_error_codes/error_codes/E0380.md +++ b/src/librustc_error_codes/error_codes/E0380.md @@ -1,4 +1,14 @@ -Auto traits cannot have methods or associated items. -For more information see the [opt-in builtin traits RFC][RFC 19]. +An auto trait was declared with a method or an associated item. + +Erroneous code example: + +```compile_fail,E0380 +unsafe auto trait Trait { + type Output; // error! +} +``` + +Auto traits cannot have methods or associated items. For more information see +the [opt-in builtin traits RFC][RFC 19]. [RFC 19]: https://github.com/rust-lang/rfcs/blob/master/text/0019-opt-in-builtin-traits.md