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revamp pre-expansion gating infra

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This commit is contained in:
Mazdak Farrokhzad 2019-10-30 16:38:16 +01:00
parent e8b190ac4a
commit fe95cd2f4b
8 changed files with 65 additions and 68 deletions
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5
src/libsyntax/parse/parser/generics.rs
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@ -3,7 +3,8 @@ use super::{Parser, PResult};
use crate::ast::{self, WhereClause, GenericParam, GenericParamKind, GenericBounds, Attribute};
use crate::parse::token;
use crate::source_map::DUMMY_SP;
use crate::symbol::kw;
use syntax_pos::symbol::{kw, sym};
impl<'a> Parser<'a> {
/// Parses bounds of a lifetime parameter `BOUND + BOUND + BOUND`, possibly with trailing `+`.
@ -62,7 +63,7 @@ impl<'a> Parser<'a> {
self.expect(&token::Colon)?;
let ty = self.parse_ty()?;
self.sess.gated_spans.const_generics.borrow_mut().push(lo.to(self.prev_span));
self.sess.gated_spans.gate(sym::const_generics, lo.to(self.prev_span));
Ok(GenericParam {
ident,