X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Ftools%2Fclippy%2Fclippy_lints%2Fsrc%2Fzero_sized_map_values.rs;h=2fbe27f94798b08d753b996d689f238320fad5da;hb=cd5a90fb14bb8cb2276d9740925c9858ea507429;hp=053bbc9aea67433ddf6c83d1cecf141a319b946c;hpb=1a2b90bc9183fdebdb9e6588bced4fbdf1b5a85f;p=rust.git

diff --git a/src/tools/clippy/clippy_lints/src/zero_sized_map_values.rs b/src/tools/clippy/clippy_lints/src/zero_sized_map_values.rs
index 053bbc9aea6..2fbe27f9479 100644
--- a/src/tools/clippy/clippy_lints/src/zero_sized_map_values.rs
+++ b/src/tools/clippy/clippy_lints/src/zero_sized_map_values.rs
@@ -1,6 +1,5 @@
 use clippy_utils::diagnostics::span_lint_and_help;
-use clippy_utils::paths;
-use clippy_utils::ty::{is_normalizable, is_type_diagnostic_item, match_type};
+use clippy_utils::ty::{is_normalizable, is_type_diagnostic_item};
 use if_chain::if_chain;
 use rustc_hir::{self as hir, HirId, ItemKind, Node};
 use rustc_lint::{LateContext, LateLintPass};
@@ -11,18 +10,19 @@
 use rustc_typeck::hir_ty_to_ty;
 
 declare_clippy_lint! {
-    /// **What it does:** Checks for maps with zero-sized value types anywhere in the code.
+    /// ### What it does
+    /// Checks for maps with zero-sized value types anywhere in the code.
     ///
-    /// **Why is this bad?** Since there is only a single value for a zero-sized type, a map
+    /// ### Why is this bad?
+    /// Since there is only a single value for a zero-sized type, a map
     /// containing zero sized values is effectively a set. Using a set in that case improves
     /// readability and communicates intent more clearly.
     ///
-    /// **Known problems:**
+    /// ### Known problems
     /// * A zero-sized type cannot be recovered later if it contains private fields.
     /// * This lints the signature of public items
     ///
-    /// **Example:**
-    ///
+    /// ### Example
     /// ```rust
     /// # use std::collections::HashMap;
     /// fn unique_words(text: &str) -> HashMap<&str, ()> {
@@ -49,7 +49,7 @@ fn check_ty(&mut self, cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>) {
             if !hir_ty.span.from_expansion();
             if !in_trait_impl(cx, hir_ty.hir_id);
             let ty = ty_from_hir_ty(cx, hir_ty);
-            if is_type_diagnostic_item(cx, ty, sym::hashmap_type) || match_type(cx, ty, &paths::BTREEMAP);
+            if is_type_diagnostic_item(cx, ty, sym::hashmap_type) || is_type_diagnostic_item(cx, ty, sym::BTreeMap);
             if let Adt(_, substs) = ty.kind();
             let ty = substs.type_at(1);
             // Fixes https://github.com/rust-lang/rust-clippy/issues/7447 because of