use super::Parser;
+use rustc_ast::ast::{self, Attribute, GenericBounds, GenericParam, GenericParamKind, WhereClause};
+use rustc_ast::token;
use rustc_errors::PResult;
use rustc_span::symbol::{kw, sym};
-use syntax::ast::{self, Attribute, GenericBounds, GenericParam, GenericParamKind, WhereClause};
-use syntax::token;
impl<'a> Parser<'a> {
/// Parses bounds of a lifetime parameter `BOUND + BOUND + BOUND`, possibly with trailing `+`.