bjoernager/rust
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Avoid unnecessary internings.

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Most involving `Symbol::intern` on string literals.
This commit is contained in:
Nicholas Nethercote 2019-05-22 12:42:23 +10:00
parent 6c0ff3dd97
commit 26451ef7b5
31 changed files with 84 additions and 106 deletions
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6
src/libsyntax/std_inject.rs
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@ -20,9 +20,7 @@ fn ignored_span(sp: Span, edition: Edition) -> Span {
call_site: DUMMY_SP,
def_site: None,
format: MacroAttribute(Symbol::intern("std_inject")),
allow_internal_unstable: Some(vec![
Symbol::intern("prelude_import"),
].into()),
allow_internal_unstable: Some(vec![sym::prelude_import].into()),
allow_internal_unsafe: false,
local_inner_macros: false,
edition,
@ -98,7 +96,7 @@ pub fn maybe_inject_crates_ref(
krate.module.items.insert(0, P(ast::Item {
attrs: vec![ast::Attribute {
style: ast::AttrStyle::Outer,
path: ast::Path::from_ident(ast::Ident::new(Symbol::intern("prelude_import"), span)),
path: ast::Path::from_ident(ast::Ident::new(sym::prelude_import, span)),
tokens: TokenStream::empty(),
id: attr::mk_attr_id(),
is_sugared_doc: false,