diff options
Diffstat (limited to '')
-rw-r--r-- | compiler/rustc_builtin_macros/src/derive.rs | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/compiler/rustc_builtin_macros/src/derive.rs b/compiler/rustc_builtin_macros/src/derive.rs index fa5a45730..2a8dc0284 100644 --- a/compiler/rustc_builtin_macros/src/derive.rs +++ b/compiler/rustc_builtin_macros/src/derive.rs @@ -1,7 +1,7 @@ use crate::cfg_eval::cfg_eval; use rustc_ast as ast; -use rustc_ast::{token, GenericParamKind, ItemKind, MetaItemKind, NestedMetaItem, StmtKind}; +use rustc_ast::{GenericParamKind, ItemKind, MetaItemKind, NestedMetaItem, StmtKind}; use rustc_errors::{struct_span_err, Applicability}; use rustc_expand::base::{Annotatable, ExpandResult, ExtCtxt, Indeterminate, MultiItemModifier}; use rustc_feature::AttributeTemplate; @@ -130,9 +130,11 @@ fn report_bad_target(sess: &Session, item: &Annotatable, span: Span) -> bool { } fn report_unexpected_meta_item_lit(sess: &Session, lit: &ast::MetaItemLit) { - let help_msg = match lit.token_lit.kind { - token::Str if rustc_lexer::is_ident(lit.token_lit.symbol.as_str()) => { - format!("try using `#[derive({})]`", lit.token_lit.symbol) + let help_msg = match lit.kind { + ast::LitKind::Str(_, ast::StrStyle::Cooked) + if rustc_lexer::is_ident(lit.symbol.as_str()) => + { + format!("try using `#[derive({})]`", lit.symbol) } _ => "for example, write `#[derive(Debug)]` for `Debug`".to_string(), }; |