use super::utils::{get_arg_name, match_var, remove_blocks, snippet_with_applicability, span_lint_and_sugg};
use if_chain::if_chain;
+use rustc::declare_lint_pass;
use rustc::hir::*;
use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
-use rustc::{declare_lint_pass, declare_tool_lint};
use rustc_errors::Applicability;
+use rustc_session::declare_tool_lint;
declare_clippy_lint! {
/// **What it does:** Checks for matches being used to destructure a single-variant enum
fn check_local(&mut self, cx: &LateContext<'a, 'tcx>, local: &'tcx Local) {
if_chain! {
if let Some(ref expr) = local.init;
- if let ExprKind::Match(ref target, ref arms, MatchSource::Normal) = expr.node;
+ if let ExprKind::Match(ref target, ref arms, MatchSource::Normal) = expr.kind;
if arms.len() == 1 && arms[0].guard.is_none();
- if let PatKind::TupleStruct(QPath::Resolved(None, ref variant_name), ref args, _) = arms[0].pat.node;
+ if let PatKind::TupleStruct(QPath::Resolved(None, ref variant_name), ref args, _) = arms[0].pat.kind;
if args.len() == 1;
if let Some(arg) = get_arg_name(&args[0]);
let body = remove_blocks(&arms[0].body);