diff options
Diffstat (limited to 'src/libsyntax/ext')
| -rw-r--r-- | src/libsyntax/ext/tt/quoted.rs | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/libsyntax/ext/tt/quoted.rs b/src/libsyntax/ext/tt/quoted.rs index c8ece7b3a88..edc431be369 100644 --- a/src/libsyntax/ext/tt/quoted.rs +++ b/src/libsyntax/ext/tt/quoted.rs @@ -11,13 +11,13 @@ use ast::NodeId; use early_buffered_lints::BufferedEarlyLintId; use ext::tt::macro_parser; -use feature_gate::{self, emit_feature_err, Features, GateIssue}; +use feature_gate::Features; use parse::{token, ParseSess}; use print::pprust; use symbol::keywords; use syntax_pos::{edition::Edition, BytePos, Span}; use tokenstream::{self, DelimSpan}; -use {ast, attr}; +use ast; use rustc_data_structures::sync::Lrc; use std::iter::Peekable; @@ -566,8 +566,8 @@ fn parse_sep_and_kleene_op_2018<I>( input: &mut Peekable<I>, span: Span, sess: &ParseSess, - features: &Features, - attrs: &[ast::Attribute], + _features: &Features, + _attrs: &[ast::Attribute], ) -> (Option<token::Token>, KleeneOp) where I: Iterator<Item = tokenstream::TokenTree>, @@ -575,7 +575,7 @@ where // We basically look at two token trees here, denoted as #1 and #2 below let span = match parse_kleene_op(input, span) { // #1 is a `?` (needs feature gate) - Ok(Ok((op, op1_span))) if op == KleeneOp::ZeroOrOne => { + Ok(Ok((op, _op1_span))) if op == KleeneOp::ZeroOrOne => { return (None, op); } @@ -585,7 +585,7 @@ where // #1 is a separator followed by #2, a KleeneOp Ok(Err((tok, span))) => match parse_kleene_op(input, span) { // #2 is the `?` Kleene op, which does not take a separator (error) - Ok(Ok((op, op2_span))) if op == KleeneOp::ZeroOrOne => { + Ok(Ok((op, _op2_span))) if op == KleeneOp::ZeroOrOne => { // Error! sess.span_diagnostic.span_err( span, |