Eat dogfood

clippy_lints/src/booleans.rs

@@ -261,7 +261,7 @@ fn simplify_not(cx: &LateContext<'_>, expr: &Expr<'_>) -> Option<String> {
             }
             METHODS_WITH_NEGATION
                 .iter()
-                .cloned()
+                .copied()
                 .flat_map(|(a, b)| vec![(a, b), (b, a)])
                 .find(|&(a, _)| {
                     let path: &str = &path.ident.name.as_str();

clippy_lints/src/checked_conversions.rs

@@ -323,7 +323,7 @@ fn get_implementing_type<'a>(path: &QPath<'_>, candidates: &'a [&str], function:
         if let [int] = &*tp.segments;
         then {
             let name = &int.ident.name.as_str();
-            candidates.iter().find(|c| name == *c).cloned()
+            candidates.iter().find(|c| name == *c).copied()
         } else {
             None
         }
@@ -337,7 +337,7 @@ fn int_ty_to_sym<'tcx>(path: &QPath<'_>) -> Option<&'tcx str> {
         if let [ty] = &*path.segments;
         then {
             let name = &ty.ident.name.as_str();
-            INTS.iter().find(|c| name == *c).cloned()
+            INTS.iter().find(|c| name == *c).copied()
         } else {
             None
         }

clippy_lints/src/loops/never_loop.rs

@@ -100,7 +100,7 @@ fn never_loop_expr(expr: &Expr<'_>, main_loop_id: HirId) -> NeverLoopResult {
         ExprKind::Binary(_, e1, e2)
         | ExprKind::Assign(e1, e2, _)
         | ExprKind::AssignOp(_, e1, e2)
-        | ExprKind::Index(e1, e2) => never_loop_expr_all(&mut [e1, e2].iter().cloned(), main_loop_id),
+        | ExprKind::Index(e1, e2) => never_loop_expr_all(&mut [e1, e2].iter().copied(), main_loop_id),
         ExprKind::Loop(b, _, _, _) => {
             // Break can come from the inner loop so remove them.
             absorb_break(&never_loop_block(b, main_loop_id))

clippy_lints/src/matches.rs

@@ -1124,7 +1124,7 @@ fn check_wild_enum_match(cx: &LateContext<'_>, ex: &Expr<'_>, arms: &[Arm<'_>])
             Applicability::MaybeIncorrect,
         ),
         variants => {
-            let mut suggestions: Vec<_> = variants.iter().cloned().map(format_suggestion).collect();
+            let mut suggestions: Vec<_> = variants.iter().copied().map(format_suggestion).collect();
             let message = if adt_def.is_variant_list_non_exhaustive() {
                 suggestions.push("_".into());
                 "wildcard matches known variants and will also match future added variants"

clippy_lints/src/needless_pass_by_value.rs

@@ -279,7 +279,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByValue {
                             spans.extend(
                                 deref_span
                                     .iter()
-                                    .cloned()
+                                    .copied()
                                     .map(|span| (span, format!("*{}", snippet(cx, span, "<expr>")))),
                             );
                             spans.sort_by_key(|&(span, _)| span);

clippy_lints/src/suspicious_operation_groupings.rs

@@ -195,7 +195,7 @@ fn attempt_to_emit_no_difference_lint(
     i: usize,
     expected_loc: IdentLocation,
 ) {
-    if let Some(binop) = binops.get(i).cloned() {
+    if let Some(binop) = binops.get(i).copied() {
         // We need to try and figure out which identifier we should
         // suggest using instead. Since there could be multiple
         // replacement candidates in a given expression, and we're

clippy_lints/src/write.rs

@@ -573,7 +573,7 @@ impl Write {
                         diag.multipart_suggestion(
                             "try this",
                             iter::once((comma_span.to(token_expr.span), String::new()))
-                                .chain(fmt_spans.iter().cloned().zip(iter::repeat(replacement)))
+                                .chain(fmt_spans.iter().copied().zip(iter::repeat(replacement)))
                                 .collect(),
                             Applicability::MachineApplicable,
                         );

clippy_utils/src/hir_utils.rs

@@ -424,7 +424,7 @@ fn reduce_exprkind<'hir>(cx: &LateContext<'_>, kind: &'hir ExprKind<'hir>) -> &'
                                 TokenKind::LineComment { .. } | TokenKind::BlockComment { .. } | TokenKind::Whitespace
                             )
                         })
-                        .ne([TokenKind::OpenBrace, TokenKind::CloseBrace].iter().cloned()) =>
+                        .ne([TokenKind::OpenBrace, TokenKind::CloseBrace].iter().copied()) =>
                 {
                     kind
                 },

clippy_utils/src/lib.rs

@@ -1053,7 +1053,7 @@ pub fn is_refutable(cx: &LateContext<'_>, pat: &Pat<'_>) -> bool {
 /// the function once on the given pattern.
 pub fn recurse_or_patterns<'tcx, F: FnMut(&'tcx Pat<'tcx>)>(pat: &'tcx Pat<'tcx>, mut f: F) {
     if let PatKind::Or(pats) = pat.kind {
-        pats.iter().cloned().for_each(f)
+        pats.iter().copied().for_each(f)
     } else {
         f(pat)
     }
@@ -1230,14 +1230,14 @@ pub fn match_any_def_paths(cx: &LateContext<'_>, did: DefId, paths: &[&[&str]])
     let search_path = cx.get_def_path(did);
     paths
         .iter()
-        .position(|p| p.iter().map(|x| Symbol::intern(x)).eq(search_path.iter().cloned()))
+        .position(|p| p.iter().map(|x| Symbol::intern(x)).eq(search_path.iter().copied()))
 }
 
 /// Checks if the given `DefId` matches the path.
 pub fn match_def_path<'tcx>(cx: &LateContext<'tcx>, did: DefId, syms: &[&str]) -> bool {
     // We should probably move to Symbols in Clippy as well rather than interning every time.
     let path = cx.get_def_path(did);
-    syms.iter().map(|x| Symbol::intern(x)).eq(path.iter().cloned())
+    syms.iter().map(|x| Symbol::intern(x)).eq(path.iter().copied())
 }
 
 pub fn match_panic_call(cx: &LateContext<'_>, expr: &'tcx Expr<'_>) -> Option<&'tcx Expr<'tcx>> {