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authorbors <bors@rust-lang.org>2021-07-28 05:59:30 +0000
committerbors <bors@rust-lang.org>2021-07-28 05:59:30 +0000
commitaea2e446f09b923d513013743b37b43fca7282dc (patch)
treeac53a52123dd478795393e478e43608b98871609 /compiler/rustc_error_codes/src
parent8b50cc9a2c408caef30a1cf950c948509b2f648e (diff)
parent72465b0a32e689cd6a61120479c13b38281108a7 (diff)
downloadrust-aea2e446f09b923d513013743b37b43fca7282dc.tar.gz
rust-aea2e446f09b923d513013743b37b43fca7282dc.zip
Auto merge of #86735 - jhpratt:rfc-3107, r=petrochenkov
Implement RFC 3107: `#[derive(Default)]` on enums with a `#[default]` attribute

This PR implements RFC 3107, which permits `#[derive(Default)]` on enums where a unit variant has a `#[default]` attribute. See comments for current status.
Diffstat (limited to 'compiler/rustc_error_codes/src')
-rw-r--r--compiler/rustc_error_codes/src/error_codes/E0665.md4
1 files changed, 3 insertions, 1 deletions
diff --git a/compiler/rustc_error_codes/src/error_codes/E0665.md b/compiler/rustc_error_codes/src/error_codes/E0665.md
index a15f4021c71..ae54d6d1579 100644
--- a/compiler/rustc_error_codes/src/error_codes/E0665.md
+++ b/compiler/rustc_error_codes/src/error_codes/E0665.md
@@ -1,8 +1,10 @@
+#### Note: this error code is no longer emitted by the compiler.
+
 The `Default` trait was derived on an enum.
 
 Erroneous code example:
 
-```compile_fail,E0665
+```compile_fail
 #[derive(Default)]
 enum Food {
     Sweet,