diff options
45 files changed, 123 insertions, 127 deletions
diff --git a/compiler/rustc_ast/src/util/literal.rs b/compiler/rustc_ast/src/util/literal.rs index 9c6ad47427d..8a41aec0819 100644 --- a/compiler/rustc_ast/src/util/literal.rs +++ b/compiler/rustc_ast/src/util/literal.rs @@ -57,7 +57,7 @@ impl LitKind { // string in the token. let s = symbol.as_str(); let symbol = - if s.contains(&['\\', '\r'][..]) { + if s.contains(&['\\', '\r']) { let mut buf = String::with_capacity(s.len()); let mut error = Ok(()); unescape_literal(&s, Mode::Str, &mut |_, unescaped_char| { diff --git a/compiler/rustc_ast_passes/src/feature_gate.rs b/compiler/rustc_ast_passes/src/feature_gate.rs index ad539f2564d..5eaec79c4ed 100644 --- a/compiler/rustc_ast_passes/src/feature_gate.rs +++ b/compiler/rustc_ast_passes/src/feature_gate.rs @@ -347,7 +347,7 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> { if let Some(modifiers) = nested_meta.value_str() { for modifier in modifiers.as_str().split(',') { - if let Some(modifier) = modifier.strip_prefix(&['+', '-'][..]) { + if let Some(modifier) = modifier.strip_prefix(&['+', '-']) { macro_rules! gate_modifier { ($($name:literal => $feature:ident)*) => { $(if modifier == $name { let msg = concat!("`#[link(modifiers=\"", $name, "\")]` is unstable"); @@ -383,7 +383,7 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> { } ast::ItemKind::Fn(..) => { - if self.sess.contains_name(&i.attrs[..], sym::start) { + if self.sess.contains_name(&i.attrs, sym::start) { gate_feature_post!( &self, start, @@ -396,7 +396,7 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> { } ast::ItemKind::Struct(..) => { - for attr in self.sess.filter_by_name(&i.attrs[..], sym::repr) { + for attr in self.sess.filter_by_name(&i.attrs, sym::repr) { for item in attr.meta_item_list().unwrap_or_else(Vec::new) { if item.has_name(sym::simd) { gate_feature_post!( diff --git a/compiler/rustc_ast_pretty/src/pprust/state.rs b/compiler/rustc_ast_pretty/src/pprust/state.rs index 74f2a2b2e09..5167e0a5292 100644 --- a/compiler/rustc_ast_pretty/src/pprust/state.rs +++ b/compiler/rustc_ast_pretty/src/pprust/state.rs @@ -499,7 +499,7 @@ pub trait PrintState<'a>: std::ops::Deref<Target = pp::Printer> + std::ops::Dere ast::MetaItemKind::List(ref items) => { self.print_path(&item.path, false, 0); self.popen(); - self.commasep(Consistent, &items[..], |s, i| s.print_meta_list_item(i)); + self.commasep(Consistent, &items, |s, i| s.print_meta_list_item(i)); self.pclose(); } } @@ -997,7 +997,7 @@ impl<'a> State<'a> { } ast::TyKind::Tup(ref elts) => { self.popen(); - self.commasep(Inconsistent, &elts[..], |s, ty| s.print_type(ty)); + self.commasep(Inconsistent, &elts, |s, ty| s.print_type(ty)); if elts.len() == 1 { self.word(","); } @@ -1017,10 +1017,10 @@ impl<'a> State<'a> { ast::TyKind::Path(Some(ref qself), ref path) => self.print_qpath(path, qself, false), ast::TyKind::TraitObject(ref bounds, syntax) => { let prefix = if syntax == ast::TraitObjectSyntax::Dyn { "dyn" } else { "" }; - self.print_type_bounds(prefix, &bounds[..]); + self.print_type_bounds(prefix, &bounds); } ast::TyKind::ImplTrait(_, ref bounds) => { - self.print_type_bounds("impl", &bounds[..]); + self.print_type_bounds("impl", &bounds); } ast::TyKind::Array(ref ty, ref length) => { self.word("["); @@ -1339,7 +1339,7 @@ impl<'a> State<'a> { real_bounds.push(b.clone()); } } - self.print_type_bounds(":", &real_bounds[..]); + self.print_type_bounds(":", &real_bounds); self.print_where_clause(&generics.where_clause); self.word(" "); self.bopen(); @@ -1368,7 +1368,7 @@ impl<'a> State<'a> { } } self.nbsp(); - self.print_type_bounds("=", &real_bounds[..]); + self.print_type_bounds("=", &real_bounds); self.print_where_clause(&generics.where_clause); self.word(";"); } @@ -1960,10 +1960,10 @@ impl<'a> State<'a> { self.print_expr_tup(exprs); } ast::ExprKind::Call(ref func, ref args) => { - self.print_expr_call(func, &args[..]); + self.print_expr_call(func, &args); } ast::ExprKind::MethodCall(ref segment, ref args, _) => { - self.print_expr_method_call(segment, &args[..]); + self.print_expr_method_call(segment, &args); } ast::ExprKind::Binary(op, ref lhs, ref rhs) => { self.print_expr_binary(op, lhs, rhs); @@ -2442,11 +2442,11 @@ impl<'a> State<'a> { self.print_path(path, true, 0); } self.popen(); - self.commasep(Inconsistent, &elts[..], |s, p| s.print_pat(p)); + self.commasep(Inconsistent, &elts, |s, p| s.print_pat(p)); self.pclose(); } PatKind::Or(ref pats) => { - self.strsep("|", true, Inconsistent, &pats[..], |s, p| s.print_pat(p)); + self.strsep("|", true, Inconsistent, &pats, |s, p| s.print_pat(p)); } PatKind::Path(None, ref path) => { self.print_path(path, true, 0); @@ -2464,7 +2464,7 @@ impl<'a> State<'a> { self.word_space("{"); self.commasep_cmnt( Consistent, - &fields[..], + &fields, |s, f| { s.cbox(INDENT_UNIT); if !f.is_shorthand { @@ -2487,7 +2487,7 @@ impl<'a> State<'a> { } PatKind::Tuple(ref elts) => { self.popen(); - self.commasep(Inconsistent, &elts[..], |s, p| s.print_pat(p)); + self.commasep(Inconsistent, &elts, |s, p| s.print_pat(p)); if elts.len() == 1 { self.word(","); } @@ -2529,7 +2529,7 @@ impl<'a> State<'a> { } PatKind::Slice(ref elts) => { self.word("["); - self.commasep(Inconsistent, &elts[..], |s, p| s.print_pat(p)); + self.commasep(Inconsistent, &elts, |s, p| s.print_pat(p)); self.word("]"); } PatKind::Rest => self.word(".."), @@ -2838,7 +2838,7 @@ impl<'a> State<'a> { self.print_path(&tree.prefix, false, 0); self.word("::{"); } - self.commasep(Inconsistent, &items[..], |this, &(ref tree, _)| { + self.commasep(Inconsistent, &items, |this, &(ref tree, _)| { this.print_use_tree(tree) }); self.word("}"); diff --git a/compiler/rustc_builtin_macros/src/asm.rs b/compiler/rustc_builtin_macros/src/asm.rs index b374769cbea..9ae1584fcbf 100644 --- a/compiler/rustc_builtin_macros/src/asm.rs +++ b/compiler/rustc_builtin_macros/src/asm.rs @@ -712,7 +712,7 @@ fn expand_preparsed_asm(ecx: &mut ExtCtxt<'_>, args: AsmArgs) -> Option<ast::Inl Some(&idx) => Some(idx), None => { let msg = format!("there is no argument named `{}`", name); - ecx.struct_span_err(span, &msg[..]).emit(); + ecx.struct_span_err(span, &msg).emit(); None } }, diff --git a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs index 1427a2aada3..985c45e2253 100644 --- a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs +++ b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs @@ -766,8 +766,8 @@ impl<'a> TraitDef<'a> { self, struct_def, type_ident, - &self_args[..], - &nonself_args[..], + &self_args, + &nonself_args, ) } else { method_def.expand_struct_method_body( @@ -775,8 +775,8 @@ impl<'a> TraitDef<'a> { self, struct_def, type_ident, - &self_args[..], - &nonself_args[..], + &self_args, + &nonself_args, use_temporaries, ) }; @@ -815,8 +815,8 @@ impl<'a> TraitDef<'a> { self, enum_def, type_ident, - &self_args[..], - &nonself_args[..], + &self_args, + &nonself_args, ) } else { method_def.expand_enum_method_body( @@ -825,7 +825,7 @@ impl<'a> TraitDef<'a> { enum_def, type_ident, self_args, - &nonself_args[..], + &nonself_args, ) }; @@ -1217,7 +1217,7 @@ impl<'a> MethodDef<'a> { let vi_idents = self_arg_names .iter() .map(|name| { - let vi_suffix = format!("{}_vi", &name[..]); + let vi_suffix = format!("{}_vi", name); Ident::from_str_and_span(&vi_suffix, span) }) .collect::<Vec<Ident>>(); @@ -1226,7 +1226,7 @@ impl<'a> MethodDef<'a> { // delegated expression that handles the catch-all case, // using `__variants_tuple` to drive logic if necessary. let catch_all_substructure = - EnumNonMatchingCollapsed(self_arg_idents, &variants[..], &vi_idents[..]); + EnumNonMatchingCollapsed(self_arg_idents, &variants, &vi_idents); let first_fieldless = variants.iter().find(|v| v.data.fields().is_empty()); @@ -1261,7 +1261,7 @@ impl<'a> MethodDef<'a> { idents }; for self_arg_name in &self_arg_names[1..] { - let (p, idents) = mk_self_pat(cx, &self_arg_name[..]); + let (p, idents) = mk_self_pat(cx, &self_arg_name); subpats.push(p); self_pats_idents.push(idents); } diff --git a/compiler/rustc_builtin_macros/src/format.rs b/compiler/rustc_builtin_macros/src/format.rs index 62a55c0e49e..34cc4396816 100644 --- a/compiler/rustc_builtin_macros/src/format.rs +++ b/compiler/rustc_builtin_macros/src/format.rs @@ -549,7 +549,7 @@ impl<'a, 'b> Context<'a, 'b> { } else { self.fmtsp }; - let mut err = self.ecx.struct_span_err(sp, &msg[..]); + let mut err = self.ecx.struct_span_err(sp, &msg); err.note(&format!( "did you intend to capture a variable `{}` from \ diff --git a/compiler/rustc_codegen_gcc/src/back/write.rs b/compiler/rustc_codegen_gcc/src/back/write.rs index c3e3847823d..4962d016152 100644 --- a/compiler/rustc_codegen_gcc/src/back/write.rs +++ b/compiler/rustc_codegen_gcc/src/back/write.rs @@ -32,7 +32,7 @@ pub(crate) unsafe fn codegen(cgcx: &CodegenContext<GccCodegenBackend>, _diag_han if config.emit_asm { let _timer = cgcx .prof - .generic_activity_with_arg("LLVM_module_codegen_emit_asm", &module.name[..]); + .generic_activity_with_arg("LLVM_module_codegen_emit_asm", &*module.name); let path = cgcx.output_filenames.temp_path(OutputType::Assembly, module_name); context.compile_to_file(OutputKind::Assembler, path.to_str().expect("path to str")); } @@ -41,7 +41,7 @@ pub(crate) unsafe fn codegen(cgcx: &CodegenContext<GccCodegenBackend>, _diag_han EmitObj::ObjectCode(_) => { let _timer = cgcx .prof - .generic_activity_with_arg("LLVM_module_codegen_emit_obj", &module.name[..]); + .generic_activity_with_arg("LLVM_module_codegen_emit_obj", &*module.name); match &*module.name { "std_example.7rcbfp3g-cgu.15" => { println!("Dumping reproducer {}", module.name); diff --git a/compiler/rustc_codegen_llvm/src/asm.rs b/compiler/rustc_codegen_llvm/src/asm.rs index 90d3c0fb2f1..79bd76d96dc 100644 --- a/compiler/rustc_codegen_llvm/src/asm.rs +++ b/compiler/rustc_codegen_llvm/src/asm.rs @@ -477,7 +477,7 @@ pub(crate) fn inline_asm_call( .collect::<Vec<_>>(); debug!("Asm Output Type: {:?}", output); - let fty = bx.cx.type_func(&argtys[..], output); + let fty = bx.cx.type_func(&argtys, output); unsafe { // Ask LLVM to verify that the constraints are well-formed. let constraints_ok = llvm::LLVMRustInlineAsmVerify(fty, cons.as_ptr().cast(), cons.len()); diff --git a/compiler/rustc_codegen_llvm/src/back/lto.rs b/compiler/rustc_codegen_llvm/src/back/lto.rs index 97780de9ba4..f6c40f1689e 100644 --- a/compiler/rustc_codegen_llvm/src/back/lto.rs +++ b/compiler/rustc_codegen_llvm/src/back/lto.rs @@ -587,7 +587,7 @@ pub(crate) fn run_pass_manager( config: &ModuleConfig, thin: bool, ) -> Result<(), FatalError> { - let _timer = cgcx.prof.extra_verbose_generic_activity("LLVM_lto_optimize", &module.name[..]); + let _timer = cgcx.prof.extra_verbose_generic_activity("LLVM_lto_optimize", &*module.name); // Now we have one massive module inside of llmod. Time to run the // LTO-specific optimization passes that LLVM provides. diff --git a/compiler/rustc_codegen_llvm/src/back/write.rs b/compiler/rustc_codegen_llvm/src/back/write.rs index 460a8cc6912..fa4fad30830 100644 --- a/compiler/rustc_codegen_llvm/src/back/write.rs +++ b/compiler/rustc_codegen_llvm/src/back/write.rs @@ -510,7 +510,7 @@ pub(crate) unsafe fn optimize( module: &ModuleCodegen<ModuleLlvm>, config: &ModuleConfig, ) -> Result<(), FatalError> { - let _timer = cgcx.prof.generic_activity_with_arg("LLVM_module_optimize", &module.name[..]); + let _timer = cgcx.prof.generic_activity_with_arg("LLVM_module_optimize", &*module.name); let llmod = module.module_llvm.llmod(); let llcx = &*module.module_llvm.llcx; @@ -663,14 +663,14 @@ pub(crate) unsafe fn optimize( { let _timer = cgcx.prof.extra_verbose_generic_activity( "LLVM_module_optimize_function_passes", - &module.name[..], + &*module.name, ); llvm::LLVMRustRunFunctionPassManager(fpm, llmod); } { let _timer = cgcx.prof.extra_verbose_generic_activity( "LLVM_module_optimize_module_passes", - &module.name[..], + &*module.name, ); llvm::LLVMRunPassManager(mpm, llmod); } @@ -733,7 +733,7 @@ pub(crate) unsafe fn codegen( module: ModuleCodegen<ModuleLlvm>, config: &ModuleConfig, ) -> Result<CompiledModule, FatalError> { - let _timer = cgcx.prof.generic_activity_with_arg("LLVM_module_codegen", &module.name[..]); + let _timer = cgcx.prof.generic_activity_with_arg("LLVM_module_codegen", &*module.name); { let llmod = module.module_llvm.llmod(); let llcx = &*module.module_llvm.llcx; @@ -782,7 +782,7 @@ pub(crate) unsafe fn codegen( if config.bitcode_needed() { let _timer = cgcx .prof - .generic_activity_with_arg("LLVM_module_codegen_make_bitcode", &module.name[..]); + .generic_activity_with_arg("LLVM_module_codegen_make_bitcode", &*module.name); let thin = ThinBuffer::new(llmod); let data = thin.data(); @@ -795,10 +795,9 @@ pub(crate) unsafe fn codegen( } if config.emit_bc || config.emit_obj == EmitObj::Bitcode { - let _timer = cgcx.prof.generic_activity_with_arg( - "LLVM_module_codegen_emit_bitcode", - &module.name[..], - ); + let _timer = cgcx + .prof + .generic_activity_with_arg("LLVM_module_codegen_emit_bitcode", &*module.name); if let Err(e) = fs::write(&bc_out, data) { let msg = format!("failed to write bytecode to {}: {}", bc_out.display(), e); diag_handler.err(&msg); @@ -806,18 +805,16 @@ pub(crate) unsafe fn codegen( } if config.emit_obj == EmitObj::ObjectCode(BitcodeSection::Full) { - let _timer = cgcx.prof.generic_activity_with_arg( - "LLVM_module_codegen_embed_bitcode", - &module.name[..], - ); + let _timer = cgcx + .prof + .generic_activity_with_arg("LLVM_module_codegen_embed_bitcode", &*module.name); embed_bitcode(cgcx, llcx, llmod, &config.bc_cmdline, data); } } if config.emit_ir { - let _timer = cgcx - .prof - .generic_activity_with_arg("LLVM_module_codegen_emit_ir", &module.name[..]); + let _timer = + cgcx.prof.generic_activity_with_arg("LLVM_module_codegen_emit_ir", &*module.name); let out = cgcx.output_filenames.temp_path(OutputType::LlvmAssembly, module_name); let out_c = path_to_c_string(&out); @@ -866,9 +863,8 @@ pub(crate) unsafe fn codegen( } if config.emit_asm { - let _timer = cgcx - .prof - .generic_activity_with_arg("LLVM_module_codegen_emit_asm", &module.name[..]); + let _timer = + cgcx.prof.generic_activity_with_arg("LLVM_module_codegen_emit_asm", &*module.name); let path = cgcx.output_filenames.temp_path(OutputType::Assembly, module_name); // We can't use the same module for asm and object code output, @@ -898,7 +894,7 @@ pub(crate) unsafe fn codegen( EmitObj::ObjectCode(_) => { let _timer = cgcx .prof - .generic_activity_with_arg("LLVM_module_codegen_emit_obj", &module.name[..]); + .generic_activity_with_arg("LLVM_module_codegen_emit_obj", &*module.name); let dwo_out = cgcx.output_filenames.temp_path_dwo(module_name); let dwo_out = match cgcx.split_debuginfo { diff --git a/compiler/rustc_codegen_llvm/src/common.rs b/compiler/rustc_codegen_llvm/src/common.rs index 73a8d464431..d0ed9781243 100644 --- a/compiler/rustc_codegen_llvm/src/common.rs +++ b/compiler/rustc_codegen_llvm/src/common.rs @@ -120,7 +120,7 @@ impl CodegenCx<'ll, 'tcx> { !null_terminated as Bool, ); let sym = self.generate_local_symbol_name("str"); - let g = self.define_global(&sym[..], self.val_ty(sc)).unwrap_or_else(|| { + let g = self.define_global(&sym, self.val_ty(sc)).unwrap_or_else(|| { bug!("symbol `{}` is already defined", sym); }); llvm::LLVMSetInitializer(g, sc); diff --git a/compiler/rustc_codegen_llvm/src/consts.rs b/compiler/rustc_codegen_llvm/src/consts.rs index b154ced42f0..50a68ae49d5 100644 --- a/compiler/rustc_codegen_llvm/src/consts.rs +++ b/compiler/rustc_codegen_llvm/src/consts.rs @@ -225,7 +225,7 @@ impl CodegenCx<'ll, 'tcx> { let gv = match kind { Some(kind) if !self.tcx.sess.fewer_names() => { let name = self.generate_local_symbol_name(kind); - let gv = self.define_global(&name[..], self.val_ty(cv)).unwrap_or_else(|| { + let gv = self.define_global(&name, self.val_ty(cv)).unwrap_or_else(|| { bug!("symbol `{}` is already defined", name); }); llvm::LLVMRustSetLinkage(gv, llvm::Linkage::PrivateLinkage); diff --git a/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs b/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs index 0390caaec33..d2af1b247e8 100644 --- a/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs +++ b/compiler/rustc_codegen_llvm/src/coverageinfo/mapgen.rs @@ -89,7 +89,7 @@ pub fn finalize<'ll, 'tcx>(cx: &CodegenCx<'ll, 'tcx>) { }); let filenames_size = filenames_buffer.len(); - let filenames_val = cx.const_bytes(&filenames_buffer[..]); + let filenames_val = cx.const_bytes(&filenames_buffer); let filenames_ref = coverageinfo::hash_bytes(filenames_buffer); // Generate the LLVM IR representation of the coverage map and store it in a well-known global @@ -238,7 +238,7 @@ fn save_function_record( ) { // Concatenate the encoded coverage mappings let coverage_mapping_size = coverage_mapping_buffer.len(); - let coverage_mapping_val = cx.const_bytes(&coverage_mapping_buffer[..]); + let coverage_mapping_val = cx.const_bytes(&coverage_mapping_buffer); let func_name_hash = coverageinfo::hash_str(&mangled_function_name); let func_name_hash_val = cx.const_u64(func_name_hash); diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs index 10c7bb2eaea..cc39332d198 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs @@ -456,7 +456,7 @@ fn vec_slice_metadata( let metadata = composite_type_metadata( cx, slice_ptr_type, - &slice_type_name[..], + &slice_type_name, unique_type_id, member_descriptions, NO_SCOPE_METADATA, @@ -579,7 +579,7 @@ fn trait_pointer_metadata( composite_type_metadata( cx, trait_object_type.unwrap_or(trait_type), - &trait_type_name[..], + &trait_type_name, unique_type_id, member_descriptions, containing_scope, @@ -2398,7 +2398,7 @@ fn set_members_of_composite_type( let type_params = compute_type_parameters(cx, composite_type); unsafe { - let type_array = create_DIArray(DIB(cx), &member_metadata[..]); + let type_array = create_DIArray(DIB(cx), &member_metadata); llvm::LLVMRustDICompositeTypeReplaceArrays( DIB(cx), composite_type_metadata, @@ -2437,7 +2437,7 @@ fn compute_type_parameters(cx: &CodegenCx<'ll, 'tcx>, ty: Ty<'tcx>) -> &'ll DIAr }) .collect(); - return create_DIArray(DIB(cx), &template_params[..]); + return create_DIArray(DIB(cx), &template_params); } } return create_DIArray(DIB(cx), &[]); diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs index 2a6bf7d9b1a..b801a7c1314 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs @@ -474,7 +474,7 @@ impl DebugInfoMethods<'tcx> for CodegenCx<'ll, 'tcx> { vec![] }; - create_DIArray(DIB(cx), &template_params[..]) + create_DIArray(DIB(cx), &template_params) } fn get_parameter_names(cx: &CodegenCx<'_, '_>, generics: &ty::Generics) -> Vec<Symbol> { diff --git a/compiler/rustc_codegen_ssa/src/back/write.rs b/compiler/rustc_codegen_ssa/src/back/write.rs index 2d6904af207..d6af6104155 100644 --- a/compiler/rustc_codegen_ssa/src/back/write.rs +++ b/compiler/rustc_codegen_ssa/src/back/write.rs @@ -677,11 +677,11 @@ impl<B: WriteBackendMethods> WorkItem<B> { fn start_profiling<'a>(&self, cgcx: &'a CodegenContext<B>) -> TimingGuard<'a> { match *self { WorkItem::Optimize(ref m) => { - cgcx.prof.generic_activity_with_arg("codegen_module_optimize", &m.name[..]) + cgcx.prof.generic_activity_with_arg("codegen_module_optimize", &*m.name) } WorkItem::CopyPostLtoArtifacts(ref m) => cgcx .prof - .generic_activity_with_arg("codegen_copy_artifacts_from_incr_cache", &m.name[..]), + .generic_activity_with_arg("codegen_copy_artifacts_from_incr_cache", &*m.name), WorkItem::LTO(ref m) => { cgcx.prof.generic_activity_with_arg("codegen_module_perform_lto", m.name()) } diff --git a/compiler/rustc_codegen_ssa/src/common.rs b/compiler/rustc_codegen_ssa/src/common.rs index 1fa60612d26..2df58ecc9f6 100644 --- a/compiler/rustc_codegen_ssa/src/common.rs +++ b/compiler/rustc_codegen_ssa/src/common.rs @@ -122,8 +122,8 @@ pub fn langcall(tcx: TyCtxt<'_>, span: Option<Span>, msg: &str, li: LangItem) -> tcx.lang_items().require(li).unwrap_or_else(|s| { let msg = format!("{} {}", msg, s); match span { - Some(span) => tcx.sess.span_fatal(span, &msg[..]), - None => tcx.sess.fatal(&msg[..]), + Some(span) => tcx.sess.span_fatal(span, &msg), + None => tcx.sess.fatal(&msg), } }) } diff --git a/compiler/rustc_const_eval/src/interpret/terminator.rs b/compiler/rustc_const_eval/src/interpret/terminator.rs index 00208574c55..df177fd9679 100644 --- a/compiler/rustc_const_eval/src/interpret/terminator.rs +++ b/compiler/rustc_const_eval/src/interpret/terminator.rs @@ -103,7 +103,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { self.eval_fn_call( fn_val, abi, - &args[..], + &args, ret, match (cleanup, caller_can_unwind) { (Some(cleanup), true) => StackPopUnwind::Cleanup(*cleanup), diff --git a/compiler/rustc_data_structures/src/fingerprint.rs b/compiler/rustc_data_structures/src/fingerprint.rs index c0c0e7be3ca..c9af35da4bc 100644 --- a/compiler/rustc_data_structures/src/fingerprint.rs +++ b/compiler/rustc_data_structures/src/fingerprint.rs @@ -142,7 +142,7 @@ impl_stable_hash_via_hash!(Fingerprint); impl<E: rustc_serialize::Encoder> Encodable<E> for Fingerprint { #[inline] fn encode(&self, s: &mut E) -> Result<(), E::Error> { - s.emit_raw_bytes(&self.to_le_bytes()[..])?; + s.emit_raw_bytes(&self.to_le_bytes())?; Ok(()) } } @@ -151,7 +151,7 @@ impl<D: rustc_serialize::Decoder> Decodable<D> for Fingerprint { #[inline] fn decode(d: &mut D) -> Result<Self, D::Error> { let mut bytes = [0u8; 16]; - d.read_raw_bytes_into(&mut bytes[..])?; + d.read_raw_bytes_into(&mut bytes)?; Ok(Fingerprint::from_le_bytes(bytes)) } } diff --git a/compiler/rustc_data_structures/src/profiling.rs b/compiler/rustc_data_structures/src/profiling.rs index c21939209fc..fd6ff086b08 100644 --- a/compiler/rustc_data_structures/src/profiling.rs +++ b/compiler/rustc_data_structures/src/profiling.rs @@ -649,7 +649,7 @@ impl Drop for VerboseTimingGuard<'_> { fn drop(&mut self) { if let Some((start_time, start_rss, ref message)) = self.start_and_message { let end_rss = get_resident_set_size(); - print_time_passes_entry(&message[..], start_time.elapsed(), start_rss, end_rss); + print_time_passes_entry(&message, start_time.elapsed(), start_rss, end_rss); } } } diff --git a/compiler/rustc_data_structures/src/small_c_str.rs b/compiler/rustc_data_structures/src/small_c_str.rs index 4a089398ce6..33e72914e19 100644 --- a/compiler/rustc_data_structures/src/small_c_str.rs +++ b/compiler/rustc_data_structures/src/small_c_str.rs @@ -46,7 +46,7 @@ impl SmallCStr { #[inline] pub fn as_c_str(&self) -> &ffi::CStr { - unsafe { ffi::CStr::from_bytes_with_nul_unchecked(&self.data[..]) } + unsafe { ffi::CStr::from_bytes_with_nul_unchecked(&self.data) } } #[inline] diff --git a/compiler/rustc_expand/src/mbe/macro_rules.rs b/compiler/rustc_expand/src/mbe/macro_rules.rs index 537a10e98e5..8065911afb9 100644 --- a/compiler/rustc_expand/src/mbe/macro_rules.rs +++ b/compiler/rustc_expand/src/mbe/macro_rules.rs @@ -253,7 +253,7 @@ fn generic_extension<'cx>( for (i, lhs) in lhses.iter().enumerate() { // try each arm's matchers let lhs_tt = match *lhs { - mbe::TokenTree::Delimited(_, ref delim) => &delim.tts[..], + mbe::TokenTree::Delimited(_, ref delim) => &delim.tts, _ => cx.span_bug(sp, "malformed macro lhs"), }; @@ -353,7 +353,7 @@ fn generic_extension<'cx>( for lhs in lhses { // try each arm's matchers let lhs_tt = match *lhs { - mbe::TokenTree::Delimited(_, ref delim) => &delim.tts[..], + mbe::TokenTree::Delimited(_, ref delim) => &delim.tts, _ => continue, }; if let Success(_) = @@ -677,11 +677,11 @@ impl FirstSets { first.replace_with(tt.clone()); } TokenTree::Delimited(span, ref delimited) => { - build_recur(sets, &delimited.tts[..]); + build_recur(sets, &delimited.tts); first.replace_with(delimited.open_tt(span)); } TokenTree::Sequence(sp, ref seq_rep) => { - let subfirst = build_recur(sets, &seq_rep.tts[..]); + let subfirst = build_recur(sets, &seq_rep.tts); match sets.first.entry(sp.entire()) { Entry::Vacant(vac) => { @@ -748,7 +748,7 @@ impl FirstSets { let subfirst = match self.first.get(&sp.entire()) { Some(&Some(ref subfirst)) => subfirst, Some(&None) => { - subfirst_owned = self.first(&seq_rep.tts[..]); + subfirst_owned = self.first(&seq_rep.tts); &subfirst_owned } None => { diff --git a/compiler/rustc_expand/src/mbe/transcribe.rs b/compiler/rustc_expand/src/mbe/transcribe.rs index 88e1623012b..01a7f726617 100644 --- a/compiler/rustc_expand/src/mbe/transcribe.rs +++ b/compiler/rustc_expand/src/mbe/transcribe.rs @@ -175,12 +175,12 @@ pub(super) fn transcribe<'a>( )); } - LockstepIterSize::Contradiction(ref msg) => { + LockstepIterSize::Contradiction(msg) => { // FIXME: this really ought to be caught at macro definition time... It // happens when two meta-variables are used in the same repetition in a // sequence, but they come from different sequence matchers and repeat // different amounts. - return Err(cx.struct_span_err(seq.span(), &msg[..])); + return Err(cx.struct_span_err(seq.span(), &msg)); } LockstepIterSize::Constraint(len, _) => { diff --git a/compiler/rustc_graphviz/src/lib.rs b/compiler/rustc_graphviz/src/lib.rs index 27390fd2e4d..edb8bd503e1 100644 --- a/compiler/rustc_graphviz/src/lib.rs +++ b/compiler/rustc_graphviz/src/lib.rs @@ -659,7 +659,7 @@ where } writeln!(text, ";").unwrap(); - w.write_all(&text[..])?; + w.write_all(&text)?; text.clear(); } @@ -684,7 +684,7 @@ where } writeln!(text, ";").unwrap(); - w.write_all(&text[..])?; + w.write_all(&text)?; text.clear(); } diff --git a/compiler/rustc_hir_pretty/src/lib.rs b/compiler/rustc_hir_pretty/src/lib.rs index 4240a4045a1..50a511510ee 100644 --- a/compiler/rustc_hir_pretty/src/lib.rs +++ b/compiler/rustc_hir_pretty/src/lib.rs @@ -316,7 +316,7 @@ impl<'a> State<'a> { } hir::TyKind::Tup(ref elts) => { self.popen(); - self.commasep(Inconsistent, &elts[..], |s, ty| s.print_type(&ty)); + self.commasep(Inconsistent, &elts, |s, ty| s.print_type(&ty)); if elts.len() == 1 { self.word(","); } @@ -1862,7 +1862,7 @@ impl<'a> State<'a> { self.commasep(Inconsistent, &elts[ddpos..], |s, p| s.print_pat(&p)); } } else { - self.commasep(Inconsistent, &elts[..], |s, p| s.print_pat(&p)); + self.commasep(Inconsistent, &elts, |s, p| s.print_pat(&p)); } self.pclose(); } @@ -1875,7 +1875,7 @@ impl<'a> State<'a> { self.word_space("{"); self.commasep_cmnt( Consistent, - &fields[..], + &fields, |s, f| { s.cbox(INDENT_UNIT); if !f.is_shorthand { @@ -1897,7 +1897,7 @@ impl<'a> State<'a> { self.word("}"); } PatKind::Or(ref pats) => { - self.strsep("|", true, Inconsistent, &pats[..], |s, p| s.print_pat(&p)); + self.strsep("|", true, Inconsistent, &pats, |s, p| s.print_pat(&p)); } PatKind::Tuple(ref elts, ddpos) => { self.popen(); @@ -1958,7 +1958,7 @@ impl<'a> State<'a> { } PatKind::Slice(ref before, ref slice, ref after) => { self.word("["); - self.commasep(Inconsistent, &before[..], |s, p| s.print_pat(&p)); + self.commasep(Inconsistent, &before, |s, p| s.print_pat(&p)); if let Some(ref p) = *slice { if !before.is_empty() { self.word_space(","); @@ -1973,7 +1973,7 @@ impl<'a> State<'a> { self.word_space(","); } } - self.commasep(Inconsistent, &after[..], |s, p| s.print_pat(&p)); + self.commasep(Inconsistent, &after, |s, p| s.print_pat(&p)); self.word("]"); } } diff --git a/compiler/rustc_incremental/src/persist/load.rs b/compiler/rustc_incremental/src/persist/load.rs index 9c6e2aeb50a..b36bf89c9d3 100644 --- a/compiler/rustc_incremental/src/persist/load.rs +++ b/compiler/rustc_incremental/src/persist/load.rs @@ -151,7 +151,7 @@ pub fn load_dep_graph(sess: &Session) -> DepGraphFuture { compilation session directory: {}", e ); - sess.fatal(&msg[..]) + sess.fatal(&msg) }); for swp in work_products { diff --git a/compiler/rustc_lint/src/non_fmt_panic.rs b/compiler/rustc_lint/src/non_fmt_panic.rs index 4a9b27e89b1..30506445ebb 100644 --- a/compiler/rustc_lint/src/non_fmt_panic.rs +++ b/compiler/rustc_lint/src/non_fmt_panic.rs @@ -207,7 +207,7 @@ fn check_panic_str<'tcx>( arg: &'tcx hir::Expr<'tcx>, fmt: &str, ) { - if !fmt.contains(&['{', '}'][..]) { + if !fmt.contains(&['{', '}']) { // No brace, no problem. return; } diff --git a/compiler/rustc_metadata/src/native_libs.rs b/compiler/rustc_metadata/src/native_libs.rs index bd5cda15b91..9adf9406f09 100644 --- a/compiler/rustc_metadata/src/native_libs.rs +++ b/compiler/rustc_metadata/src/native_libs.rs @@ -132,7 +132,7 @@ impl ItemLikeVisitor<'tcx> for Collector<'tcx> { if let Some(modifiers) = item.value_str() { let span = item.name_value_literal_span().unwrap(); for modifier in modifiers.as_str().split(',') { - let (modifier, value) = match modifier.strip_prefix(&['+', '-'][..]) { + let (modifier, value) = match modifier.strip_prefix(&['+', '-']) { Some(m) => (m, modifier.starts_with('+')), None => { sess.span_err( diff --git a/compiler/rustc_metadata/src/rmeta/encoder.rs b/compiler/rustc_metadata/src/rmeta/encoder.rs index 514a49d7e2c..94e7376ddb2 100644 --- a/compiler/rustc_metadata/src/rmeta/encoder.rs +++ b/compiler/rustc_metadata/src/rmeta/encoder.rs @@ -2119,7 +2119,7 @@ impl EncodedMetadata { #[inline] pub fn raw_data(&self) -> &[u8] { - &self.raw_data[..] + &self.raw_data } } diff --git a/compiler/rustc_middle/src/mir/mono.rs b/compiler/rustc_middle/src/mir/mono.rs index 06b42320049..f48e27e02cd 100644 --- a/compiler/rustc_middle/src/mir/mono.rs +++ b/compiler/rustc_middle/src/mir/mono.rs @@ -530,6 +530,6 @@ impl CodegenUnitNameBuilder<'tcx> { write!(cgu_name, ".{}", special_suffix).unwrap(); } - Symbol::intern(&cgu_name[..]) + Symbol::intern(&cgu_name) } } diff --git a/compiler/rustc_middle/src/mir/terminator.rs b/compiler/rustc_middle/src/mir/terminator.rs index d52b6a8bc75..51e4afaf220 100644 --- a/compiler/rustc_middle/src/mir/terminator.rs +++ b/compiler/rustc_middle/src/mir/terminator.rs @@ -342,7 +342,7 @@ impl<'tcx> TerminatorKind<'tcx> { | InlineAsm { destination: Some(ref t), cleanup: Some(ref u), .. } => { Some(t).into_iter().chain(slice::from_ref(u)) } - SwitchInt { ref targets, .. } => None.into_iter().chain(&targets.targets[..]), + SwitchInt { ref targets, .. } => None.into_iter().chain(&targets.targets), FalseEdge { ref real_target, ref imaginary_target } => { Some(real_target).into_iter().chain(slice::from_ref(imaginary_target)) } @@ -380,7 +380,7 @@ impl<'tcx> TerminatorKind<'tcx> { | InlineAsm { destination: Some(ref mut t), cleanup: Some(ref mut u), .. } => { Some(t).into_iter().chain(slice::from_mut(u)) } - SwitchInt { ref mut targets, .. } => None.into_iter().chain(&mut targets.targets[..]), + SwitchInt { ref mut targets, .. } => None.into_iter().chain(&mut targets.targets), FalseEdge { ref mut real_target, ref mut imaginary_target } => { Some(real_target).into_iter().chain(slice::from_mut(imaginary_target)) } diff --git a/compiler/rustc_middle/src/traits/mod.rs b/compiler/rustc_middle/src/traits/mod.rs index 49a64cb246a..33ddc4f954a 100644 --- a/compiler/rustc_middle/src/traits/mod.rs +++ b/compiler/rustc_middle/src/traits/mod.rs @@ -587,18 +587,18 @@ impl<'tcx, N> ImplSource<'tcx, N> { pub fn borrow_nested_obligations(&self) -> &[N] { match &self { ImplSource::UserDefined(i) => &i.nested[..], - ImplSource::Param(n, _) => &n[..], - ImplSource::Builtin(i) => &i.nested[..], - ImplSource::AutoImpl(d) => &d.nested[..], - ImplSource::Closure(c) => &c.nested[..], - ImplSource::Generator(c) => &c.nested[..], - ImplSource::Object(d) => &d.nested[..], - ImplSource::FnPointer(d) => &d.nested[..], + ImplSource::Param(n, _) => &n, + ImplSource::Builtin(i) => &i.nested, + ImplSource::AutoImpl(d) => &d.nested, + ImplSource::Closure(c) => &c.nested, + ImplSource::Generator(c) => &c.nested, + ImplSource::Object(d) => &d.nested, + ImplSource::FnPointer(d) => &d.nested, ImplSource::DiscriminantKind(ImplSourceDiscriminantKindData) | ImplSource::Pointee(ImplSourcePointeeData) | ImplSource::ConstDrop(ImplSourceConstDropData) => &[], - ImplSource::TraitAlias(d) => &d.nested[..], - ImplSource::TraitUpcasting(d) => &d.nested[..], + ImplSource::TraitAlias(d) => &d.nested, + ImplSource::TraitUpcasting(d) => &d.nested, } } diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs index 8e2e6eaee58..25beed1ecf9 100644 --- a/compiler/rustc_parse/src/parser/diagnostics.rs +++ b/compiler/rustc_parse/src/parser/diagnostics.rs @@ -306,7 +306,7 @@ impl<'a> Parser<'a> { } } - let expect = tokens_to_string(&expected[..]); + let expect = tokens_to_string(&expected); let actual = super::token_descr(&self.token); let (msg_exp, (label_sp, label_exp)) = if expected.len() > 1 { let short_expect = if expected.len() > 6 { @@ -909,7 +909,7 @@ impl<'a> Parser<'a> { // So far we have parsed `foo<bar<`, consume the rest of the type args. let modifiers = [(token::Lt, 1), (token::Gt, -1), (token::BinOp(token::Shr), -2)]; - self.consume_tts(1, &modifiers[..]); + self.consume_tts(1, &modifiers); if !&[token::OpenDelim(token::Paren), token::ModSep] .contains(&self.token.kind) @@ -1001,7 +1001,7 @@ impl<'a> Parser<'a> { // Consume the fn call arguments. let modifiers = [(token::OpenDelim(token::Paren), 1), (token::CloseDelim(token::Paren), -1)]; - self.consume_tts(1, &modifiers[..]); + self.consume_tts(1, &modifiers); if self.token.kind == token::Eof { // Not entirely sure that what we consumed were fn arguments, rollback. diff --git a/compiler/rustc_query_impl/src/on_disk_cache.rs b/compiler/rustc_query_impl/src/on_disk_cache.rs index 552906aac31..c42decdccff 100644 --- a/compiler/rustc_query_impl/src/on_disk_cache.rs +++ b/compiler/rustc_query_impl/src/on_disk_cache.rs @@ -158,7 +158,7 @@ impl<'sess> rustc_middle::ty::OnDiskCache<'sess> for OnDiskCache<'sess> { // Wrap in a scope so we can borrow `data`. let footer: Footer = { - let mut decoder = opaque::Decoder::new(&data[..], start_pos); + let mut decoder = opaque::Decoder::new(&data, start_pos); // Decode the *position* of the footer, which can be found in the // last 8 bytes of the file. diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index 87e8e576117..5df8a4103b7 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -1735,7 +1735,7 @@ fn parse_native_lib_modifiers( ) -> (NativeLibKind, Option<bool>) { let mut verbatim = None; for modifier in modifiers.split(',') { - let (modifier, value) = match modifier.strip_prefix(&['+', '-'][..]) { + let (modifier, value) = match modifier.strip_prefix(&['+', '-']) { Some(m) => (m, modifier.starts_with('+')), None => early_error( error_format, @@ -2027,7 +2027,7 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options { let unparsed_crate_types = matches.opt_strs("crate-type"); let crate_types = parse_crate_types_from_list(unparsed_crate_types) - .unwrap_or_else(|e| early_error(error_format, &e[..])); + .unwrap_or_else(|e| early_error(error_format, &e)); let mut debugging_opts = DebuggingOptions::build(matches, error_format); let (lint_opts, describe_lints, lint_cap) = get_cmd_lint_options(matches, error_format); @@ -2151,7 +2151,7 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options { let mut search_paths = vec![]; for s in &matches.opt_strs("L") { - search_paths.push(SearchPath::from_cli_opt(&s[..], error_format)); + search_paths.push(SearchPath::from_cli_opt(&s, error_format)); } let libs = parse_libs(matches, error_format); diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs index ea3d3363b80..2934368dfeb 100644 --- a/compiler/rustc_span/src/lib.rs +++ b/compiler/rustc_span/src/lib.rs @@ -1383,7 +1383,7 @@ impl<S: Encoder> Encodable<S> for SourceFile { // Encode the first element. lines[0].encode(s)?; - let diff_iter = lines[..].array_windows().map(|&[fst, snd]| snd - fst); + let diff_iter = lines.array_windows().map(|&[fst, snd]| snd - fst); match bytes_per_diff { 1 => { @@ -1506,7 +1506,7 @@ impl SourceFile { assert!(end_pos <= u32::MAX as usize); let (lines, multibyte_chars, non_narrow_chars) = - analyze_source_file::analyze_source_file(&src[..], start_pos); + analyze_source_file::analyze_source_file(&src, start_pos); SourceFile { name, diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs index 6128c119b6b..d9a5aea4d95 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs @@ -231,7 +231,7 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { if let Ok(Some(command)) = OnUnimplementedDirective::of_item(self.tcx, trait_ref.def_id, def_id) { - command.evaluate(self.tcx, trait_ref, &flags[..]) + command.evaluate(self.tcx, trait_ref, &flags) } else { OnUnimplementedNote::default() } diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index 2e87d6fdd3d..d0b61b24308 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -804,7 +804,7 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { } else if let ObligationCauseCode::BindingObligation(_, _) | ObligationCauseCode::ItemObligation(_) = &*code { - try_borrowing(*poly_trait_ref, &never_suggest_borrow[..]) + try_borrowing(*poly_trait_ref, &never_suggest_borrow) } else { false } @@ -1132,7 +1132,7 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { <https://doc.rust-lang.org/book/ch17-02-trait-objects.html\ #using-trait-objects-that-allow-for-values-of-different-types>"; let has_dyn = snippet.split_whitespace().next().map_or(false, |s| s == "dyn"); - let trait_obj = if has_dyn { &snippet[4..] } else { &snippet[..] }; + let trait_obj = if has_dyn { &snippet[4..] } else { &snippet }; if only_never_return { // No return paths, probably using `panic!()` or similar. // Suggest `-> T`, `-> impl Trait`, and if `Trait` is object safe, `-> Box<dyn Trait>`. diff --git a/compiler/rustc_typeck/src/astconv/mod.rs b/compiler/rustc_typeck/src/astconv/mod.rs index 08261fedd4a..427268d6d63 100644 --- a/compiler/rustc_typeck/src/astconv/mod.rs +++ b/compiler/rustc_typeck/src/astconv/mod.rs @@ -1350,7 +1350,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { tcx, span, item.trait_ref().def_id(), - &object_safety_violations[..], + &object_safety_violations, ) .emit(); return tcx.ty_error(); diff --git a/compiler/rustc_typeck/src/check/callee.rs b/compiler/rustc_typeck/src/check/callee.rs index 635ed938193..e67ee1cab3d 100644 --- a/compiler/rustc_typeck/src/check/callee.rs +++ b/compiler/rustc_typeck/src/check/callee.rs @@ -496,7 +496,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { call_expr.span, call_expr, fn_sig.inputs(), - &expected_arg_tys[..], + &expected_arg_tys, arg_exprs, fn_sig.c_variadic, TupleArgumentsFlag::DontTupleArguments, diff --git a/compiler/rustc_typeck/src/check/fn_ctxt/_impl.rs b/compiler/rustc_typeck/src/check/fn_ctxt/_impl.rs index a02a7d7cbfe..e82ff9cf2dd 100644 --- a/compiler/rustc_typeck/src/check/fn_ctxt/_impl.rs +++ b/compiler/rustc_typeck/src/check/fn_ctxt/_impl.rs @@ -1436,7 +1436,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { <dyn AstConv<'_>>::create_substs_for_generic_args( tcx, def_id, - &[][..], + &[], has_self, self_ty, &arg_count, diff --git a/compiler/rustc_typeck/src/check/fn_ctxt/checks.rs b/compiler/rustc_typeck/src/check/fn_ctxt/checks.rs index 74d7f0a80b6..4cb597cb6d6 100644 --- a/compiler/rustc_typeck/src/check/fn_ctxt/checks.rs +++ b/compiler/rustc_typeck/src/check/fn_ctxt/checks.rs @@ -54,13 +54,13 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let err_inputs = match tuple_arguments { DontTupleArguments => err_inputs, - TupleArguments => vec![self.tcx.intern_tup(&err_inputs[..])], + TupleArguments => vec![self.tcx.intern_tup(&err_inputs)], }; self.check_argument_types( sp, expr, - &err_inputs[..], + &err_inputs, &[], args_no_rcvr, false, @@ -324,7 +324,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.point_at_type_arg_instead_of_call_if_possible(errors, expr); self.point_at_arg_instead_of_call_if_possible( errors, - &final_arg_types[..], + &final_arg_types, expr, sp, &args, diff --git a/compiler/rustc_typeck/src/check/method/probe.rs b/compiler/rustc_typeck/src/check/method/probe.rs index 9fd7e8c4daa..9ccf354db73 100644 --- a/compiler/rustc_typeck/src/check/method/probe.rs +++ b/compiler/rustc_typeck/src/check/method/probe.rs @@ -1372,7 +1372,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { if applicable_candidates.len() > 1 { if let Some(pick) = - self.collapse_candidates_to_trait_pick(self_ty, &applicable_candidates[..]) + self.collapse_candidates_to_trait_pick(self_ty, &applicable_candidates) { return Some(Ok(pick)); } diff --git a/compiler/rustc_typeck/src/check/method/suggest.rs b/compiler/rustc_typeck/src/check/method/suggest.rs index ad38885dbd8..e9ec0674cb7 100644 --- a/compiler/rustc_typeck/src/check/method/suggest.rs +++ b/compiler/rustc_typeck/src/check/method/suggest.rs @@ -1344,7 +1344,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if candidates.len() > limit { msg.push_str(&format!("\nand {} others", candidates.len() - limit)); } - err.note(&msg[..]); + err.note(&msg); } } diff --git a/compiler/rustc_typeck/src/collect.rs b/compiler/rustc_typeck/src/collect.rs index 67a3053c607..fda96e49eb9 100644 --- a/compiler/rustc_typeck/src/collect.rs +++ b/compiler/rustc_typeck/src/collect.rs @@ -2998,9 +2998,9 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, id: DefId) -> CodegenFnAttrs { ) .emit(); InlineAttr::None - } else if list_contains_name(&items[..], sym::always) { + } else if list_contains_name(&items, sym::always) { InlineAttr::Always - } else if list_contains_name(&items[..], sym::never) { + } else if list_contains_name(&items, sym::never) { InlineAttr::Never } else { struct_span_err!( @@ -3034,9 +3034,9 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, id: DefId) -> CodegenFnAttrs { if items.len() != 1 { err(attr.span, "expected one argument"); OptimizeAttr::None - } else if list_contains_name(&items[..], sym::size) { + } else if list_contains_name(&items, sym::size) { OptimizeAttr::Size - } else if list_contains_name(&items[..], sym::speed) { + } else if list_contains_name(&items, sym::speed) { OptimizeAttr::Speed } else { err(items[0].span(), "invalid argument"); |