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authorNick Cameron <ncameron@mozilla.com>2016-10-11 17:19:51 +1300
committerNick Cameron <ncameron@mozilla.com>2016-10-27 11:44:42 +1300
commitb7675cf04ad1c65e86f51feddc3451b46a768d6b (patch)
treef0f7192b6f00550160eb621fc692618b5451f1ce /src/libsyntax_ext
parentd1b08b136c47c37cce91d65dc58f375af0d085e1 (diff)
downloadrust-b7675cf04ad1c65e86f51feddc3451b46a768d6b.tar.gz
rust-b7675cf04ad1c65e86f51feddc3451b46a768d6b.zip
Deprecate custom_derive
Has a custom deprecation since deprecating features is not supported and is a pain to implement
Diffstat (limited to 'src/libsyntax_ext')
-rw-r--r--src/libsyntax_ext/deriving/mod.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libsyntax_ext/deriving/mod.rs b/src/libsyntax_ext/deriving/mod.rs
index 07401d59a15..ca07a9267fa 100644
--- a/src/libsyntax_ext/deriving/mod.rs
+++ b/src/libsyntax_ext/deriving/mod.rs
@@ -175,6 +175,7 @@ pub fn expand_derive(cx: &mut ExtCtxt,
                                            feature_gate::GateIssue::Language,
                                            feature_gate::EXPLAIN_CUSTOM_DERIVE);
         } else {
+            cx.span_warn(titem.span, EXPLAIN_DEPR_CUSTOM_DERIVE);
             let name = intern_and_get_ident(&format!("derive_{}", tname));
             let mitem = cx.meta_word(titem.span, name);
             new_attributes.push(cx.attribute(mitem.span, mitem));