clippy: allow default_hash_types on bootstrap

[rust.git] / clippy_lints / src / to_digit_is_some.rs

diff --git a/clippy_lints/src/to_digit_is_some.rs b/clippy_lints/src/to_digit_is_some.rs
index e32abe9cf334771ed7216e4d4b4e3a59f91bd186..c66a596c784611e7afcb5bd605524c83a1090df1 100644 (file)
--- a/clippy_lints/src/to_digit_is_some.rs
+++ b/clippy_lints/src/to_digit_is_some.rs
@@ -1,10 +1,12 @@
-use crate::utils::{match_def_path, snippet_with_applicability, span_lint_and_sugg};
+use clippy_utils::diagnostics::span_lint_and_sugg;
+use clippy_utils::match_def_path;
+use clippy_utils::source::snippet_with_applicability;
 use if_chain::if_chain;
-use rustc::hir;
-use rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
-use rustc::ty;
-use rustc::{declare_lint_pass, declare_tool_lint};
 use rustc_errors::Applicability;
+use rustc_hir as hir;
+use rustc_lint::{LateContext, LateLintPass};
+use rustc_middle::ty;
+use rustc_session::{declare_lint_pass, declare_tool_lint};
 
 declare_clippy_lint! {
     /// **What it does:** Checks for `.to_digit(..).is_some()` on `char`s.
@@ -16,7 +18,7 @@
     /// ```rust
     /// # let c = 'c';
     /// # let radix = 10;
-    /// let is_digit = c.to_digit(10).is_some();
+    /// let is_digit = c.to_digit(radix).is_some();
     /// ```
     /// can be written as:
     /// ```
@@ -31,20 +33,20 @@
 
 declare_lint_pass!(ToDigitIsSome => [TO_DIGIT_IS_SOME]);
 
-impl<'a, 'tcx> LateLintPass<'a, 'tcx> for ToDigitIsSome {
-    fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx hir::Expr) {
+impl<'tcx> LateLintPass<'tcx> for ToDigitIsSome {
+    fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) {
         if_chain! {
-            if let hir::ExprKind::MethodCall(is_some_path, _, is_some_args) = &expr.kind;
+            if let hir::ExprKind::MethodCall(is_some_path, _, is_some_args, _) = &expr.kind;
             if is_some_path.ident.name.as_str() == "is_some";
             if let [to_digit_expr] = &**is_some_args;
             then {
                 let match_result = match &to_digit_expr.kind {
-                    hir::ExprKind::MethodCall(to_digits_path, _, to_digit_args) => {
+                    hir::ExprKind::MethodCall(to_digits_path, _, to_digit_args, _) => {
                         if_chain! {
                             if let [char_arg, radix_arg] = &**to_digit_args;
                             if to_digits_path.ident.name.as_str() == "to_digit";
-                            let char_arg_ty = cx.tables.expr_ty_adjusted(char_arg);
-                            if char_arg_ty.kind == ty::Char;
+                            let char_arg_ty = cx.typeck_results().expr_ty_adjusted(char_arg);
+                            if *char_arg_ty.kind() == ty::Char;
                             then {
                                 Some((true, char_arg, radix_arg))
                             } else {
@@ -56,7 +58,7 @@ fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx hir::Expr) {
                         if_chain! {
                             if let [char_arg, radix_arg] = &**to_digit_args;
                             if let hir::ExprKind::Path(to_digits_path) = &to_digits_call.kind;
-                            if let to_digits_call_res = cx.tables.qpath_res(to_digits_path, to_digits_call.hir_id);
+                            if let to_digits_call_res = cx.qpath_res(to_digits_path, to_digits_call.hir_id);
                             if let Some(to_digits_def_id) = to_digits_call_res.opt_def_id();
                             if match_def_path(cx, to_digits_def_id, &["core", "char", "methods", "<impl char>", "to_digit"]);
                             then {