bjoernager/rust
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implement edition-specific :pat behavior for 2015/18

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mark 2020-11-10 18:00:53 -06:00
parent e461b8137f
commit 1a7d00a529
14 changed files with 193 additions and 75 deletions
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4
compiler/rustc_parse/src/parser/stmt.rs
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@ -1,7 +1,7 @@
use super::attr::DEFAULT_INNER_ATTR_FORBIDDEN;
use super::diagnostics::{AttemptLocalParseRecovery, Error};
use super::expr::LhsExpr;
use super::pat::GateOr;
use super::pat::{GateOr, RecoverComma};
use super::path::PathStyle;
use super::{BlockMode, Parser, Restrictions, SemiColonMode};
use crate::maybe_whole;
@ -185,7 +185,7 @@ impl<'a> Parser<'a> {
/// Parses a local variable declaration.
fn parse_local(&mut self, attrs: AttrVec) -> PResult<'a, P<Local>> {
let lo = self.prev_token.span;
let pat = self.parse_top_pat(GateOr::Yes)?;
let pat = self.parse_top_pat(GateOr::Yes, RecoverComma::Yes)?;
let (err, ty) = if self.eat(&token::Colon) {
// Save the state of the parser before parsing type normally, in case there is a `:`