From 1cca4204357454dbf2e2b7f57f9f024631da209f Mon Sep 17 00:00:00 2001 From: ljedrz Date: Fri, 27 Jul 2018 16:50:28 +0200 Subject: [PATCH] Use slices where a vector is not necessary --- src/librustc/hir/lowering.rs | 4 ++-- src/librustc/ich/hcx.rs | 2 +- src/librustc/traits/error_reporting.rs | 4 ++-- .../borrowck/gather_loans/move_error.rs | 4 ++-- src/librustc_driver/driver.rs | 8 ++++---- src/librustc_driver/profile/mod.rs | 2 +- src/librustc_driver/profile/trace.rs | 8 ++++---- src/librustc_errors/emitter.rs | 10 +++++----- src/librustc_mir/borrow_check/nll/facts.rs | 2 +- src/librustc_mir/interpret/terminator/drop.rs | 2 +- src/librustc_mir/transform/uniform_array_move_out.rs | 2 +- src/librustc_passes/ast_validation.rs | 2 +- src/librustc_resolve/macros.rs | 2 +- src/librustdoc/html/render.rs | 6 +++--- src/libsyntax/print/pprust.rs | 2 +- 15 files changed, 30 insertions(+), 30 deletions(-) diff --git a/src/librustc/hir/lowering.rs b/src/librustc/hir/lowering.rs index 3b030fc098f..7e2c5d03d6b 100644 --- a/src/librustc/hir/lowering.rs +++ b/src/librustc/hir/lowering.rs @@ -746,7 +746,7 @@ impl<'a> LoweringContext<'a> { // This is used to track which lifetimes have already been defined, and // which are new in-band lifetimes that need to have a definition created // for them. - fn with_in_scope_lifetime_defs(&mut self, params: &Vec, f: F) -> T + fn with_in_scope_lifetime_defs(&mut self, params: &[GenericParam], f: F) -> T where F: FnOnce(&mut LoweringContext) -> T, { @@ -2237,7 +2237,7 @@ impl<'a> LoweringContext<'a> { fn lower_generic_params( &mut self, - params: &Vec, + params: &[GenericParam], add_bounds: &NodeMap>, mut itctx: ImplTraitContext, ) -> hir::HirVec { diff --git a/src/librustc/ich/hcx.rs b/src/librustc/ich/hcx.rs index 04b725957b6..05361b65641 100644 --- a/src/librustc/ich/hcx.rs +++ b/src/librustc/ich/hcx.rs @@ -396,7 +396,7 @@ impl<'a> HashStable> for Span { pub fn hash_stable_trait_impls<'a, 'gcx, W, R>( hcx: &mut StableHashingContext<'a>, hasher: &mut StableHasher, - blanket_impls: &Vec, + blanket_impls: &[DefId], non_blanket_impls: &HashMap, R>) where W: StableHasherResult, R: std_hash::BuildHasher, diff --git a/src/librustc/traits/error_reporting.rs b/src/librustc/traits/error_reporting.rs index 8300f98fb1c..5f8a2208bb0 100644 --- a/src/librustc/traits/error_reporting.rs +++ b/src/librustc/traits/error_reporting.rs @@ -48,7 +48,7 @@ use syntax_pos::{DUMMY_SP, Span}; impl<'a, 'gcx, 'tcx> InferCtxt<'a, 'gcx, 'tcx> { pub fn report_fulfillment_errors(&self, - errors: &Vec>, + errors: &[FulfillmentError<'tcx>], body_id: Option, fallback_has_occurred: bool) { #[derive(Debug)] @@ -1015,7 +1015,7 @@ impl<'a, 'gcx, 'tcx> InferCtxt<'a, 'gcx, 'tcx> { ) -> DiagnosticBuilder<'tcx> { let kind = if is_closure { "closure" } else { "function" }; - let args_str = |arguments: &Vec, other: &Vec| { + let args_str = |arguments: &[ArgKind], other: &[ArgKind]| { let arg_length = arguments.len(); let distinct = match &other[..] { &[ArgKind::Tuple(..)] => true, diff --git a/src/librustc_borrowck/borrowck/gather_loans/move_error.rs b/src/librustc_borrowck/borrowck/gather_loans/move_error.rs index e51caf89ee6..b217e6a8564 100644 --- a/src/librustc_borrowck/borrowck/gather_loans/move_error.rs +++ b/src/librustc_borrowck/borrowck/gather_loans/move_error.rs @@ -68,7 +68,7 @@ pub struct GroupedMoveErrors<'tcx> { move_to_places: Vec> } -fn report_move_errors<'a, 'tcx>(bccx: &BorrowckCtxt<'a, 'tcx>, errors: &Vec>) { +fn report_move_errors<'a, 'tcx>(bccx: &BorrowckCtxt<'a, 'tcx>, errors: &[MoveError<'tcx>]) { let grouped_errors = group_errors_with_same_origin(errors); for error in &grouped_errors { let mut err = report_cannot_move_out_of(bccx, error.move_from.clone()); @@ -103,7 +103,7 @@ fn report_move_errors<'a, 'tcx>(bccx: &BorrowckCtxt<'a, 'tcx>, errors: &Vec(errors: &Vec>) +fn group_errors_with_same_origin<'tcx>(errors: &[MoveError<'tcx>]) -> Vec> { let mut grouped_errors = Vec::new(); for error in errors { diff --git a/src/librustc_driver/driver.rs b/src/librustc_driver/driver.rs index 91392ab013d..1592722a0b2 100644 --- a/src/librustc_driver/driver.rs +++ b/src/librustc_driver/driver.rs @@ -1395,7 +1395,7 @@ fn generated_output_paths( // Runs `f` on every output file path and returns the first non-None result, or None if `f` // returns None for every file path. -fn check_output(output_paths: &Vec, f: F) -> Option +fn check_output(output_paths: &[PathBuf], f: F) -> Option where F: Fn(&PathBuf) -> Option, { @@ -1407,7 +1407,7 @@ where None } -pub fn output_contains_path(output_paths: &Vec, input_path: &PathBuf) -> bool { +pub fn output_contains_path(output_paths: &[PathBuf], input_path: &PathBuf) -> bool { let input_path = input_path.canonicalize().ok(); if input_path.is_none() { return false; @@ -1422,7 +1422,7 @@ pub fn output_contains_path(output_paths: &Vec, input_path: &PathBuf) - check_output(output_paths, check).is_some() } -pub fn output_conflicts_with_dir(output_paths: &Vec) -> Option { +pub fn output_conflicts_with_dir(output_paths: &[PathBuf]) -> Option { let check = |output_path: &PathBuf| { if output_path.is_dir() { Some(output_path.clone()) @@ -1433,7 +1433,7 @@ pub fn output_conflicts_with_dir(output_paths: &Vec) -> Option check_output(output_paths, check) } -fn write_out_deps(sess: &Session, outputs: &OutputFilenames, out_filenames: &Vec) { +fn write_out_deps(sess: &Session, outputs: &OutputFilenames, out_filenames: &[PathBuf]) { // Write out dependency rules to the dep-info file if requested if !sess.opts.output_types.contains_key(&OutputType::DepInfo) { return; diff --git a/src/librustc_driver/profile/mod.rs b/src/librustc_driver/profile/mod.rs index a362556717b..2ec85e1c27f 100644 --- a/src/librustc_driver/profile/mod.rs +++ b/src/librustc_driver/profile/mod.rs @@ -62,7 +62,7 @@ struct StackFrame { pub traces: Vec, } -fn total_duration(traces: &Vec) -> Duration { +fn total_duration(traces: &[trace::Rec]) -> Duration { let mut sum : Duration = Duration::new(0,0); for t in traces.iter() { sum += t.dur_total; } return sum diff --git a/src/librustc_driver/profile/trace.rs b/src/librustc_driver/profile/trace.rs index 4aaf5eb47f6..ecd2f4d916d 100644 --- a/src/librustc_driver/profile/trace.rs +++ b/src/librustc_driver/profile/trace.rs @@ -107,7 +107,7 @@ fn html_of_fraction(frac: f64) -> (String, String) { else { (format!("< 0.1%", ), css) } } -fn total_duration(traces: &Vec) -> Duration { +fn total_duration(traces: &[Rec]) -> Duration { let mut sum : Duration = Duration::new(0,0); for t in traces.iter() { sum += t.dur_total; @@ -123,7 +123,7 @@ fn duration_div(nom: Duration, den: Duration) -> f64 { to_nanos(nom) as f64 / to_nanos(den) as f64 } -fn write_traces_rec(file: &mut File, traces: &Vec, total: Duration, depth: usize) { +fn write_traces_rec(file: &mut File, traces: &[Rec], total: Duration, depth: usize) { for t in traces { let (eff_text, eff_css_classes) = html_of_effect(&t.effect); let (dur_text, dur_css_classes) = html_of_duration(&t.start, &t.dur_total); @@ -149,7 +149,7 @@ fn write_traces_rec(file: &mut File, traces: &Vec, total: Duration, depth: } } -fn compute_counts_rec(counts: &mut HashMap, traces: &Vec) { +fn compute_counts_rec(counts: &mut HashMap, traces: &[Rec]) { for t in traces.iter() { match t.effect { Effect::TimeBegin(ref msg) => { @@ -218,7 +218,7 @@ pub fn write_counts(count_file: &mut File, counts: &mut HashMap) { +pub fn write_traces(html_file: &mut File, counts_file: &mut File, traces: &[Rec]) { let capacity = traces.iter().fold(0, |acc, t| acc + 1 + t.extent.len()); let mut counts : HashMap = HashMap::with_capacity(capacity); compute_counts_rec(&mut counts, traces); diff --git a/src/librustc_errors/emitter.rs b/src/librustc_errors/emitter.rs index 6bcf0d9eff6..f54626d6a20 100644 --- a/src/librustc_errors/emitter.rs +++ b/src/librustc_errors/emitter.rs @@ -749,7 +749,7 @@ impl EmitterWriter { max } - fn get_max_line_num(&mut self, span: &MultiSpan, children: &Vec) -> usize { + fn get_max_line_num(&mut self, span: &MultiSpan, children: &[SubDiagnostic]) -> usize { let mut max = 0; let primary = self.get_multispan_max_line_num(span); @@ -954,7 +954,7 @@ impl EmitterWriter { fn emit_message_default(&mut self, msp: &MultiSpan, - msg: &Vec<(String, Style)>, + msg: &[(String, Style)], code: &Option, level: &Level, max_line_num_len: usize, @@ -1317,10 +1317,10 @@ impl EmitterWriter { fn emit_messages_default(&mut self, level: &Level, - message: &Vec<(String, Style)>, + message: &[(String, Style)], code: &Option, span: &MultiSpan, - children: &Vec, + children: &[SubDiagnostic], suggestions: &[CodeSuggestion]) { let max_line_num_len = if self.ui_testing { ANONYMIZED_LINE_NUM.len() @@ -1433,7 +1433,7 @@ fn overlaps(a1: &Annotation, a2: &Annotation, padding: usize) -> bool { num_overlap(a1.start_col, a1.end_col + padding, a2.start_col, a2.end_col, false) } -fn emit_to_destination(rendered_buffer: &Vec>, +fn emit_to_destination(rendered_buffer: &[Vec], lvl: &Level, dst: &mut Destination, short_message: bool) diff --git a/src/librustc_mir/borrow_check/nll/facts.rs b/src/librustc_mir/borrow_check/nll/facts.rs index 2523711f936..8eb052f88e1 100644 --- a/src/librustc_mir/borrow_check/nll/facts.rs +++ b/src/librustc_mir/borrow_check/nll/facts.rs @@ -120,7 +120,7 @@ struct FactWriter<'w> { impl<'w> FactWriter<'w> { fn write_facts_to_path( &self, - rows: &Vec, + rows: &[T], file_name: &str, ) -> Result<(), Box> where diff --git a/src/librustc_mir/interpret/terminator/drop.rs b/src/librustc_mir/interpret/terminator/drop.rs index c0fafa7f83e..d750c1f47a6 100644 --- a/src/librustc_mir/interpret/terminator/drop.rs +++ b/src/librustc_mir/interpret/terminator/drop.rs @@ -78,7 +78,7 @@ impl<'a, 'mir, 'tcx, M: Machine<'mir, 'tcx>> EvalContext<'a, 'mir, 'tcx, M> { self.eval_fn_call( instance, Some((Place::undef(), target)), - &vec![valty], + &[valty], span, fn_sig, ) diff --git a/src/librustc_mir/transform/uniform_array_move_out.rs b/src/librustc_mir/transform/uniform_array_move_out.rs index 5019c74742a..7a8c35e7b96 100644 --- a/src/librustc_mir/transform/uniform_array_move_out.rs +++ b/src/librustc_mir/transform/uniform_array_move_out.rs @@ -222,7 +222,7 @@ impl RestoreSubsliceArrayMoveOut { // indices is an integer interval. If all checks pass do the replacent. // items are Vec> fn check_and_patch<'tcx>(candidate: Location, - items: &Vec)>>, + items: &[Option<(&LocalUse, u32, &Place<'tcx>)>], opt_size: Option, patch: &mut MirPatch<'tcx>, dst_place: &Place<'tcx>) { diff --git a/src/librustc_passes/ast_validation.rs b/src/librustc_passes/ast_validation.rs index f27ca444672..c6bad9e1980 100644 --- a/src/librustc_passes/ast_validation.rs +++ b/src/librustc_passes/ast_validation.rs @@ -147,7 +147,7 @@ impl<'a> AstValidator<'a> { } } - fn check_late_bound_lifetime_defs(&self, params: &Vec) { + fn check_late_bound_lifetime_defs(&self, params: &[GenericParam]) { // Check only lifetime parameters are present and that the lifetime // parameters that are present have no bounds. let non_lt_param_spans: Vec<_> = params.iter().filter_map(|param| match param.kind { diff --git a/src/librustc_resolve/macros.rs b/src/librustc_resolve/macros.rs index 0ad652b4710..29b6f958cc1 100644 --- a/src/librustc_resolve/macros.rs +++ b/src/librustc_resolve/macros.rs @@ -783,7 +783,7 @@ impl<'a> Resolver<'a> { } }; let ident = Ident::new(Symbol::intern(name), span); - self.lookup_typo_candidate(&vec![ident], MacroNS, is_macro, span) + self.lookup_typo_candidate(&[ident], MacroNS, is_macro, span) }); if let Some(suggestion) = suggestion { diff --git a/src/librustdoc/html/render.rs b/src/librustdoc/html/render.rs index ade33c8dd7d..47a196331b3 100644 --- a/src/librustdoc/html/render.rs +++ b/src/librustdoc/html/render.rs @@ -2690,7 +2690,7 @@ fn render_implementor(cx: &Context, implementor: &Impl, w: &mut fmt::Formatter, for it in &implementor.inner_impl().items { if let clean::TypedefItem(ref tydef, _) = it.inner { write!(w, " ")?; - assoc_type(w, it, &vec![], Some(&tydef.type_), AssocItemLink::Anchor(None))?; + assoc_type(w, it, &[], Some(&tydef.type_), AssocItemLink::Anchor(None))?; write!(w, ";")?; } } @@ -3040,7 +3040,7 @@ fn assoc_const(w: &mut fmt::Formatter, } fn assoc_type(w: &mut W, it: &clean::Item, - bounds: &Vec, + bounds: &[clean::GenericBound], default: Option<&clean::Type>, link: AssocItemLink) -> fmt::Result { write!(w, "type {}", @@ -3749,7 +3749,7 @@ fn spotlight_decl(decl: &clean::FnDecl) -> Result { for it in &impl_.items { if let clean::TypedefItem(ref tydef, _) = it.inner { out.push_str(" "); - assoc_type(&mut out, it, &vec![], + assoc_type(&mut out, it, &[], Some(&tydef.type_), AssocItemLink::GotoSource(t_did, &FxHashSet()))?; out.push_str(";"); diff --git a/src/libsyntax/print/pprust.rs b/src/libsyntax/print/pprust.rs index de68780ef2c..0e9b0718b21 100644 --- a/src/libsyntax/print/pprust.rs +++ b/src/libsyntax/print/pprust.rs @@ -3065,7 +3065,7 @@ impl<'a> State<'a> { unsafety: ast::Unsafety, decl: &ast::FnDecl, name: Option, - generic_params: &Vec) + generic_params: &[ast::GenericParam]) -> io::Result<()> { self.ibox(INDENT_UNIT)?; if !generic_params.is_empty() {