Rollup merge of #58300 - taiki-e:librustc_typeck-2018, r=petrochenkov
librustc_typeck => 2018
Transitions `librustc_typeck` to Rust 2018; cc #58099
TODO: elided_lifetimes_in_paths
r? @Centril
diff --git a/src/librustc_typeck/Cargo.toml b/src/librustc_typeck/Cargo.toml
index 68b28a6..dcfcd74 100644
--- a/src/librustc_typeck/Cargo.toml
+++ b/src/librustc_typeck/Cargo.toml
@@ -2,6 +2,7 @@
authors = ["The Rust Project Developers"]
name = "rustc_typeck"
version = "0.0.0"
+edition = "2018"
[lib]
name = "rustc_typeck"
@@ -14,7 +15,7 @@
log = "0.4"
rustc = { path = "../librustc" }
rustc_data_structures = { path = "../librustc_data_structures" }
-rustc_errors = { path = "../librustc_errors" }
+errors = { path = "../librustc_errors", package = "rustc_errors" }
rustc_target = { path = "../librustc_target" }
smallvec = { version = "0.6.7", features = ["union", "may_dangle"] }
syntax = { path = "../libsyntax" }
diff --git a/src/librustc_typeck/astconv.rs b/src/librustc_typeck/astconv.rs
index 733b03d..ee3fd6e 100644
--- a/src/librustc_typeck/astconv.rs
+++ b/src/librustc_typeck/astconv.rs
@@ -3,13 +3,13 @@
//! instance of `AstConv`.
use errors::{Applicability, DiagnosticId};
-use hir::{self, GenericArg, GenericArgs};
-use hir::def::Def;
-use hir::def_id::DefId;
-use hir::HirVec;
-use lint;
-use middle::resolve_lifetime as rl;
-use namespace::Namespace;
+use crate::hir::{self, GenericArg, GenericArgs};
+use crate::hir::def::Def;
+use crate::hir::def_id::DefId;
+use crate::hir::HirVec;
+use crate::lint;
+use crate::middle::resolve_lifetime as rl;
+use crate::namespace::Namespace;
use rustc::lint::builtin::AMBIGUOUS_ASSOCIATED_ITEMS;
use rustc::traits;
use rustc::ty::{self, Ty, TyCtxt, ToPredicate, TypeFoldable};
@@ -18,15 +18,15 @@
use rustc::ty::wf::object_region_bounds;
use rustc_data_structures::sync::Lrc;
use rustc_target::spec::abi;
-use require_c_abi_if_variadic;
+use crate::require_c_abi_if_variadic;
use smallvec::SmallVec;
use syntax::ast;
use syntax::feature_gate::{GateIssue, emit_feature_err};
use syntax::ptr::P;
use syntax::util::lev_distance::find_best_match_for_name;
use syntax_pos::{DUMMY_SP, Span, MultiSpan};
-use util::common::ErrorReported;
-use util::nodemap::FxHashMap;
+use crate::util::common::ErrorReported;
+use crate::util::nodemap::FxHashMap;
use std::collections::BTreeSet;
use std::iter;
diff --git a/src/librustc_typeck/check/_match.rs b/src/librustc_typeck/check/_match.rs
index a90d83f..3a670c8 100644
--- a/src/librustc_typeck/check/_match.rs
+++ b/src/librustc_typeck/check/_match.rs
@@ -1,5 +1,6 @@
-use check::{FnCtxt, Expectation, Diverges, Needs};
-use check::coercion::CoerceMany;
+use crate::check::{FnCtxt, Expectation, Diverges, Needs};
+use crate::check::coercion::CoerceMany;
+use crate::util::nodemap::FxHashMap;
use errors::Applicability;
use rustc::hir::{self, PatKind};
use rustc::hir::def::{Def, CtorKind};
@@ -13,7 +14,6 @@
use syntax::ptr::P;
use syntax::util::lev_distance::find_best_match_for_name;
use syntax_pos::Span;
-use util::nodemap::FxHashMap;
use std::collections::hash_map::Entry::{Occupied, Vacant};
use std::cmp;
diff --git a/src/librustc_typeck/check/cast.rs b/src/librustc_typeck/check/cast.rs
index 85cae17..be6d432 100644
--- a/src/librustc_typeck/check/cast.rs
+++ b/src/librustc_typeck/check/cast.rs
@@ -31,8 +31,8 @@
use super::FnCtxt;
use errors::{DiagnosticBuilder,Applicability};
-use hir::def_id::DefId;
-use lint;
+use crate::hir::def_id::DefId;
+use crate::lint;
use rustc::hir;
use rustc::session::Session;
use rustc::traits;
@@ -43,7 +43,7 @@
use rustc::middle::lang_items;
use syntax::ast;
use syntax_pos::Span;
-use util::common::ErrorReported;
+use crate::util::common::ErrorReported;
/// Reifies a cast check to be checked once we have full type information for
/// a function context.
@@ -294,7 +294,7 @@
.emit();
}
CastError::SizedUnsizedCast => {
- use structured_errors::{SizedUnsizedCastError, StructuredDiagnostic};
+ use crate::structured_errors::{SizedUnsizedCastError, StructuredDiagnostic};
SizedUnsizedCastError::new(&fcx.tcx.sess,
self.span,
self.expr_ty,
diff --git a/src/librustc_typeck/check/closure.rs b/src/librustc_typeck/check/closure.rs
index df83c92..24c3009 100644
--- a/src/librustc_typeck/check/closure.rs
+++ b/src/librustc_typeck/check/closure.rs
@@ -2,8 +2,8 @@
use super::{check_fn, Expectation, FnCtxt, GeneratorTypes};
-use astconv::AstConv;
-use middle::region;
+use crate::astconv::AstConv;
+use crate::middle::region;
use rustc::hir::def_id::DefId;
use rustc::infer::{InferOk, InferResult};
use rustc::infer::LateBoundRegionConversionTime;
diff --git a/src/librustc_typeck/check/coercion.rs b/src/librustc_typeck/check/coercion.rs
index d1dfe94..8a91e42 100644
--- a/src/librustc_typeck/check/coercion.rs
+++ b/src/librustc_typeck/check/coercion.rs
@@ -50,7 +50,7 @@
//! sort of a minor point so I've opted to leave it for later---after all
//! we may want to adjust precisely when coercions occur.
-use check::{FnCtxt, Needs};
+use crate::check::{FnCtxt, Needs};
use errors::DiagnosticBuilder;
use rustc::hir;
use rustc::hir::def_id::DefId;
diff --git a/src/librustc_typeck/check/demand.rs b/src/librustc_typeck/check/demand.rs
index 0d4690c..82f0037 100644
--- a/src/librustc_typeck/check/demand.rs
+++ b/src/librustc_typeck/check/demand.rs
@@ -1,4 +1,4 @@
-use check::FnCtxt;
+use crate::check::FnCtxt;
use rustc::infer::InferOk;
use rustc::traits::{ObligationCause, ObligationCauseCode};
diff --git a/src/librustc_typeck/check/dropck.rs b/src/librustc_typeck/check/dropck.rs
index e2109091..0fc8241 100644
--- a/src/librustc_typeck/check/dropck.rs
+++ b/src/librustc_typeck/check/dropck.rs
@@ -1,13 +1,13 @@
-use check::regionck::RegionCtxt;
+use crate::check::regionck::RegionCtxt;
-use hir::def_id::DefId;
+use crate::hir::def_id::DefId;
use rustc::infer::outlives::env::OutlivesEnvironment;
use rustc::infer::{self, InferOk, SuppressRegionErrors};
use rustc::middle::region;
use rustc::traits::{ObligationCause, TraitEngine, TraitEngineExt};
use rustc::ty::subst::{Subst, Substs, UnpackedKind};
use rustc::ty::{self, Ty, TyCtxt};
-use util::common::ErrorReported;
+use crate::util::common::ErrorReported;
use syntax::ast;
use syntax_pos::Span;
diff --git a/src/librustc_typeck/check/generator_interior.rs b/src/librustc_typeck/check/generator_interior.rs
index 225fa1d..7f4b0a9 100644
--- a/src/librustc_typeck/check/generator_interior.rs
+++ b/src/librustc_typeck/check/generator_interior.rs
@@ -11,7 +11,7 @@
use rustc_data_structures::sync::Lrc;
use syntax_pos::Span;
use super::FnCtxt;
-use util::nodemap::FxHashMap;
+use crate::util::nodemap::FxHashMap;
struct InteriorVisitor<'a, 'gcx: 'a+'tcx, 'tcx: 'a> {
fcx: &'a FnCtxt<'a, 'gcx, 'tcx>,
diff --git a/src/librustc_typeck/check/intrinsic.rs b/src/librustc_typeck/check/intrinsic.rs
index 82d4300..912ea39 100644
--- a/src/librustc_typeck/check/intrinsic.rs
+++ b/src/librustc_typeck/check/intrinsic.rs
@@ -4,7 +4,7 @@
use rustc::traits::{ObligationCause, ObligationCauseCode};
use rustc::ty::{self, TyCtxt, Ty};
use rustc::ty::subst::Subst;
-use require_same_types;
+use crate::require_same_types;
use rustc_target::spec::abi::Abi;
use syntax::symbol::Symbol;
diff --git a/src/librustc_typeck/check/method/confirm.rs b/src/librustc_typeck/check/method/confirm.rs
index 2cf2974..34b248a 100644
--- a/src/librustc_typeck/check/method/confirm.rs
+++ b/src/librustc_typeck/check/method/confirm.rs
@@ -1,9 +1,9 @@
use super::{probe, MethodCallee};
-use astconv::AstConv;
-use check::{FnCtxt, PlaceOp, callee, Needs};
-use hir::GenericArg;
-use hir::def_id::DefId;
+use crate::astconv::AstConv;
+use crate::check::{FnCtxt, PlaceOp, callee, Needs};
+use crate::hir::GenericArg;
+use crate::hir::def_id::DefId;
use rustc::ty::subst::Substs;
use rustc::traits;
use rustc::ty::{self, Ty, GenericParamDefKind};
diff --git a/src/librustc_typeck/check/method/mod.rs b/src/librustc_typeck/check/method/mod.rs
index b7d0157..02cd5b7 100644
--- a/src/librustc_typeck/check/method/mod.rs
+++ b/src/librustc_typeck/check/method/mod.rs
@@ -10,9 +10,9 @@
pub use self::CandidateSource::*;
pub use self::suggest::{SelfSource, TraitInfo};
-use check::FnCtxt;
+use crate::check::FnCtxt;
+use crate::namespace::Namespace;
use errors::{Applicability, DiagnosticBuilder};
-use namespace::Namespace;
use rustc_data_structures::sync::Lrc;
use rustc::hir;
use rustc::hir::def::Def;
@@ -29,7 +29,7 @@
use crate::{check_type_alias_enum_variants_enabled};
use self::probe::{IsSuggestion, ProbeScope};
-pub fn provide(providers: &mut ty::query::Providers) {
+pub fn provide(providers: &mut ty::query::Providers<'_>) {
suggest::provide(providers);
probe::provide(providers);
}
diff --git a/src/librustc_typeck/check/method/probe.rs b/src/librustc_typeck/check/method/probe.rs
index ada4a95..cf31a54 100644
--- a/src/librustc_typeck/check/method/probe.rs
+++ b/src/librustc_typeck/check/method/probe.rs
@@ -3,11 +3,11 @@
use super::{CandidateSource, ImplSource, TraitSource};
use super::suggest;
-use check::autoderef::{self, Autoderef};
-use check::FnCtxt;
-use hir::def_id::DefId;
-use hir::def::Def;
-use namespace::Namespace;
+use crate::check::autoderef::{self, Autoderef};
+use crate::check::FnCtxt;
+use crate::hir::def_id::DefId;
+use crate::hir::def::Def;
+use crate::namespace::Namespace;
use rustc_data_structures::sync::Lrc;
use rustc::hir;
diff --git a/src/librustc_typeck/check/method/suggest.rs b/src/librustc_typeck/check/method/suggest.rs
index 55b6e8f..8f98b34 100644
--- a/src/librustc_typeck/check/method/suggest.rs
+++ b/src/librustc_typeck/check/method/suggest.rs
@@ -1,10 +1,11 @@
//! Give useful errors and suggestions to users when an item can't be
//! found or is otherwise invalid.
-use check::FnCtxt;
+use crate::check::FnCtxt;
+use crate::middle::lang_items::FnOnceTraitLangItem;
+use crate::namespace::Namespace;
+use crate::util::nodemap::FxHashSet;
use errors::{Applicability, DiagnosticBuilder};
-use middle::lang_items::FnOnceTraitLangItem;
-use namespace::Namespace;
use rustc_data_structures::sync::Lrc;
use rustc::hir::{self, ExprKind, Node, QPath};
use rustc::hir::def::Def;
@@ -15,7 +16,6 @@
use rustc::traits::Obligation;
use rustc::ty::{self, Adt, Ty, TyCtxt, ToPolyTraitRef, ToPredicate, TypeFoldable};
use rustc::ty::item_path::with_crate_prefix;
-use util::nodemap::FxHashSet;
use syntax_pos::{Span, FileName};
use syntax::ast;
use syntax::util::lev_distance::find_best_match_for_name;
diff --git a/src/librustc_typeck/check/mod.rs b/src/librustc_typeck/check/mod.rs
index f82c07e..467032f 100644
--- a/src/librustc_typeck/check/mod.rs
+++ b/src/librustc_typeck/check/mod.rs
@@ -83,15 +83,15 @@
pub mod intrinsic;
mod op;
-use astconv::{AstConv, PathSeg};
+use crate::astconv::{AstConv, PathSeg};
use errors::{Applicability, DiagnosticBuilder, DiagnosticId};
use rustc::hir::{self, ExprKind, GenericArg, ItemKind, Node, PatKind, QPath};
use rustc::hir::def::{CtorKind, Def};
use rustc::hir::def_id::{CrateNum, DefId, LOCAL_CRATE};
use rustc::hir::intravisit::{self, Visitor, NestedVisitorMap};
use rustc::hir::itemlikevisit::ItemLikeVisitor;
-use middle::lang_items;
-use namespace::Namespace;
+use crate::middle::lang_items;
+use crate::namespace::Namespace;
use rustc::infer::{self, InferCtxt, InferOk, InferResult, RegionVariableOrigin};
use rustc::infer::canonical::{Canonical, OriginalQueryValues, QueryResponse};
use rustc_data_structures::indexed_vec::Idx;
@@ -130,14 +130,14 @@
use std::ops::{self, Deref};
use std::slice;
-use require_c_abi_if_variadic;
-use session::{CompileIncomplete, Session};
-use session::config::EntryFnType;
-use TypeAndSubsts;
-use lint;
-use util::captures::Captures;
-use util::common::{ErrorReported, indenter};
-use util::nodemap::{DefIdMap, DefIdSet, FxHashMap, FxHashSet, NodeMap};
+use crate::require_c_abi_if_variadic;
+use crate::session::{CompileIncomplete, Session};
+use crate::session::config::EntryFnType;
+use crate::TypeAndSubsts;
+use crate::lint;
+use crate::util::captures::Captures;
+use crate::util::common::{ErrorReported, indenter};
+use crate::util::nodemap::{DefIdMap, DefIdSet, FxHashMap, FxHashSet, NodeMap};
pub use self::Expectation::*;
use self::autoderef::Autoderef;
@@ -3044,7 +3044,7 @@
// arguments which we skipped above.
if variadic {
fn variadic_error<'tcx>(s: &Session, span: Span, t: Ty<'tcx>, cast_ty: &str) {
- use structured_errors::{VariadicError, StructuredDiagnostic};
+ use crate::structured_errors::{VariadicError, StructuredDiagnostic};
VariadicError::new(s, span, t, cast_ty).diagnostic().emit();
}
@@ -3685,8 +3685,8 @@
display
}
- fn no_such_field_err<T: Display>(&self, span: Span, field: T, expr_t: &ty::TyS)
- -> DiagnosticBuilder {
+ fn no_such_field_err<T: Display>(&self, span: Span, field: T, expr_t: &ty::TyS<'_>)
+ -> DiagnosticBuilder<'_> {
type_error_struct!(self.tcx().sess, span, expr_t, E0609,
"no field `{}` on type `{}`",
field, expr_t)
@@ -5257,7 +5257,7 @@
&self,
blk: &'gcx hir::Block,
expected_ty: Ty<'tcx>,
- err: &mut DiagnosticBuilder,
+ err: &mut DiagnosticBuilder<'_>,
) {
if let Some(span_semi) = self.could_remove_semicolon(blk, expected_ty) {
err.span_suggestion(
@@ -5725,7 +5725,7 @@
);
handler.note_without_error(&format!("rustc {} running on {}",
option_env!("CFG_VERSION").unwrap_or("unknown_version"),
- ::session::config::host_triple(),
+ crate::session::config::host_triple(),
));
}
diff --git a/src/librustc_typeck/check/regionck.rs b/src/librustc_typeck/check/regionck.rs
index b90c18e..c058977 100644
--- a/src/librustc_typeck/check/regionck.rs
+++ b/src/librustc_typeck/check/regionck.rs
@@ -72,11 +72,11 @@
//! relation, except that a borrowed pointer never owns its
//! contents.
-use check::dropck;
-use check::FnCtxt;
-use middle::mem_categorization as mc;
-use middle::mem_categorization::Categorization;
-use middle::region;
+use crate::check::dropck;
+use crate::check::FnCtxt;
+use crate::middle::mem_categorization as mc;
+use crate::middle::mem_categorization::Categorization;
+use crate::middle::region;
use rustc::hir::def_id::DefId;
use rustc::infer::outlives::env::OutlivesEnvironment;
use rustc::infer::{self, RegionObligation, SuppressRegionErrors};
diff --git a/src/librustc_typeck/check/upvar.rs b/src/librustc_typeck/check/upvar.rs
index 15ae016..1816b74 100644
--- a/src/librustc_typeck/check/upvar.rs
+++ b/src/librustc_typeck/check/upvar.rs
@@ -32,9 +32,9 @@
use super::FnCtxt;
-use middle::expr_use_visitor as euv;
-use middle::mem_categorization as mc;
-use middle::mem_categorization::Categorization;
+use crate::middle::expr_use_visitor as euv;
+use crate::middle::mem_categorization as mc;
+use crate::middle::mem_categorization::Categorization;
use rustc::hir;
use rustc::hir::def_id::DefId;
use rustc::hir::def_id::LocalDefId;
diff --git a/src/librustc_typeck/check/wfcheck.rs b/src/librustc_typeck/check/wfcheck.rs
index 1206c8e..b51fd58 100644
--- a/src/librustc_typeck/check/wfcheck.rs
+++ b/src/librustc_typeck/check/wfcheck.rs
@@ -1,7 +1,7 @@
-use check::{Inherited, FnCtxt};
-use constrained_type_params::{identify_constrained_type_params, Parameter};
+use crate::check::{Inherited, FnCtxt};
+use crate::constrained_type_params::{identify_constrained_type_params, Parameter};
-use hir::def_id::DefId;
+use crate::hir::def_id::DefId;
use rustc::traits::{self, ObligationCauseCode};
use rustc::ty::{self, Lift, Ty, TyCtxt, TyKind, GenericParamDefKind, TypeFoldable, ToPredicate};
use rustc::ty::subst::{Subst, Substs};
diff --git a/src/librustc_typeck/check/writeback.rs b/src/librustc_typeck/check/writeback.rs
index 29f5312..e02e706 100644
--- a/src/librustc_typeck/check/writeback.rs
+++ b/src/librustc_typeck/check/writeback.rs
@@ -2,7 +2,7 @@
// unresolved type variables and replaces "ty_var" types with their
// substitutions.
-use check::FnCtxt;
+use crate::check::FnCtxt;
use errors::DiagnosticBuilder;
use rustc::hir;
use rustc::hir::def_id::{DefId, DefIndex};
diff --git a/src/librustc_typeck/check_unused.rs b/src/librustc_typeck/check_unused.rs
index a7e19fc..18194ee 100644
--- a/src/librustc_typeck/check_unused.rs
+++ b/src/librustc_typeck/check_unused.rs
@@ -1,4 +1,4 @@
-use lint;
+use crate::lint;
use rustc::ty::TyCtxt;
use errors::Applicability;
diff --git a/src/librustc_typeck/coherence/inherent_impls_overlap.rs b/src/librustc_typeck/coherence/inherent_impls_overlap.rs
index 52dee29..138c598 100644
--- a/src/librustc_typeck/coherence/inherent_impls_overlap.rs
+++ b/src/librustc_typeck/coherence/inherent_impls_overlap.rs
@@ -1,11 +1,11 @@
-use namespace::Namespace;
+use crate::namespace::Namespace;
use rustc::hir::def_id::{CrateNum, DefId, LOCAL_CRATE};
use rustc::hir;
use rustc::hir::itemlikevisit::ItemLikeVisitor;
use rustc::traits::{self, IntercrateMode};
use rustc::ty::TyCtxt;
-use lint;
+use crate::lint;
pub fn crate_inherent_impls_overlap_check<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
crate_num: CrateNum) {
diff --git a/src/librustc_typeck/coherence/mod.rs b/src/librustc_typeck/coherence/mod.rs
index 853c4c8..4eee68b 100644
--- a/src/librustc_typeck/coherence/mod.rs
+++ b/src/librustc_typeck/coherence/mod.rs
@@ -5,7 +5,7 @@
// done by the orphan and overlap modules. Then we build up various
// mappings. That mapping code resides here.
-use hir::def_id::{DefId, LOCAL_CRATE};
+use crate::hir::def_id::{DefId, LOCAL_CRATE};
use rustc::traits;
use rustc::ty::{self, TyCtxt, TypeFoldable};
use rustc::ty::query::Providers;
diff --git a/src/librustc_typeck/collect.rs b/src/librustc_typeck/collect.rs
index f5e5067..bb4fba1 100644
--- a/src/librustc_typeck/collect.rs
+++ b/src/librustc_typeck/collect.rs
@@ -14,13 +14,13 @@
//! At present, however, we do run collection across all items in the
//! crate as a kind of pass. This should eventually be factored away.
-use astconv::{AstConv, Bounds};
-use constrained_type_params as ctp;
-use check::intrinsic::intrisic_operation_unsafety;
-use lint;
-use middle::lang_items::SizedTraitLangItem;
-use middle::resolve_lifetime as rl;
-use middle::weak_lang_items;
+use crate::astconv::{AstConv, Bounds};
+use crate::constrained_type_params as ctp;
+use crate::check::intrinsic::intrisic_operation_unsafety;
+use crate::lint;
+use crate::middle::lang_items::SizedTraitLangItem;
+use crate::middle::resolve_lifetime as rl;
+use crate::middle::weak_lang_items;
use rustc::mir::mono::Linkage;
use rustc::ty::query::Providers;
use rustc::ty::subst::Substs;
@@ -68,7 +68,7 @@
);
}
-pub fn provide(providers: &mut Providers) {
+pub fn provide(providers: &mut Providers<'_>) {
*providers = Providers {
type_of,
generics_of,
diff --git a/src/librustc_typeck/constrained_type_params.rs b/src/librustc_typeck/constrained_type_params.rs
index 199ea31..d1f33b6 100644
--- a/src/librustc_typeck/constrained_type_params.rs
+++ b/src/librustc_typeck/constrained_type_params.rs
@@ -124,7 +124,7 @@
/// which is determined by 1, which requires `U`, that is determined
/// by 0. I should probably pick a less tangled example, but I can't
/// think of any.
-pub fn setup_constraining_predicates<'tcx>(tcx: TyCtxt,
+pub fn setup_constraining_predicates<'tcx>(tcx: TyCtxt<'_, '_, '_>,
predicates: &mut [(ty::Predicate<'tcx>, Span)],
impl_trait_ref: Option<ty::TraitRef<'tcx>>,
input_parameters: &mut FxHashSet<Parameter>)
diff --git a/src/librustc_typeck/impl_wf_check.rs b/src/librustc_typeck/impl_wf_check.rs
index 07f5fca..6de06b6 100644
--- a/src/librustc_typeck/impl_wf_check.rs
+++ b/src/librustc_typeck/impl_wf_check.rs
@@ -8,7 +8,7 @@
//! specialization errors. These things can (and probably should) be
//! fixed, but for the moment it's easier to do these checks early.
-use constrained_type_params as ctp;
+use crate::constrained_type_params as ctp;
use rustc::hir;
use rustc::hir::itemlikevisit::ItemLikeVisitor;
use rustc::hir::def_id::DefId;
@@ -162,7 +162,7 @@
// used elsewhere are not projected back out.
}
-fn report_unused_parameter(tcx: TyCtxt,
+fn report_unused_parameter(tcx: TyCtxt<'_, '_, '_>,
span: Span,
kind: &str,
name: &str)
diff --git a/src/librustc_typeck/lib.rs b/src/librustc_typeck/lib.rs
index 8d77310..e99ec53 100644
--- a/src/librustc_typeck/lib.rs
+++ b/src/librustc_typeck/lib.rs
@@ -72,17 +72,15 @@
#![recursion_limit="256"]
+#![deny(rust_2018_idioms)]
+#![allow(explicit_outlives_requirements)]
+
+#![allow(elided_lifetimes_in_paths)] // WIP
+
#[macro_use] extern crate log;
#[macro_use] extern crate syntax;
-extern crate syntax_pos;
-
-extern crate arena;
#[macro_use] extern crate rustc;
-extern crate rustc_data_structures;
-extern crate rustc_errors as errors;
-extern crate rustc_target;
-extern crate smallvec;
// N.B., this module needs to be declared first so diagnostics are
// registered before they are used.
@@ -141,7 +139,7 @@
}
}
-fn require_c_abi_if_variadic(tcx: TyCtxt,
+fn require_c_abi_if_variadic(tcx: TyCtxt<'_, '_, '_>,
decl: &hir::FnDecl,
abi: Abi,
span: Span) {
@@ -310,7 +308,7 @@
}
}
-pub fn provide(providers: &mut Providers) {
+pub fn provide(providers: &mut Providers<'_>) {
collect::provide(providers);
coherence::provide(providers);
check::provide(providers);
diff --git a/src/librustc_typeck/outlives/explicit.rs b/src/librustc_typeck/outlives/explicit.rs
index 38f4b37..574086f 100644
--- a/src/librustc_typeck/outlives/explicit.rs
+++ b/src/librustc_typeck/outlives/explicit.rs
@@ -1,6 +1,6 @@
use rustc::hir::def_id::DefId;
use rustc::ty::{self, OutlivesPredicate, TyCtxt};
-use util::nodemap::FxHashMap;
+use crate::util::nodemap::FxHashMap;
use super::utils::*;
diff --git a/src/librustc_typeck/outlives/implicit_infer.rs b/src/librustc_typeck/outlives/implicit_infer.rs
index e388a3e..0ff884d 100644
--- a/src/librustc_typeck/outlives/implicit_infer.rs
+++ b/src/librustc_typeck/outlives/implicit_infer.rs
@@ -1,5 +1,4 @@
-use rustc::hir;
-use hir::Node;
+use rustc::hir::{self, Node};
use rustc::hir::def_id::DefId;
use rustc::hir::itemlikevisit::ItemLikeVisitor;
use rustc::ty::subst::{Kind, Subst, UnpackedKind};
diff --git a/src/librustc_typeck/outlives/mod.rs b/src/librustc_typeck/outlives/mod.rs
index f0310f2..b3634d3 100644
--- a/src/librustc_typeck/outlives/mod.rs
+++ b/src/librustc_typeck/outlives/mod.rs
@@ -12,7 +12,7 @@
pub mod test;
mod utils;
-pub fn provide(providers: &mut Providers) {
+pub fn provide(providers: &mut Providers<'_>) {
*providers = Providers {
inferred_outlives_of,
inferred_outlives_crate,
diff --git a/src/librustc_typeck/variance/terms.rs b/src/librustc_typeck/variance/terms.rs
index d53e2d2..ec0acfb 100644
--- a/src/librustc_typeck/variance/terms.rs
+++ b/src/librustc_typeck/variance/terms.rs
@@ -15,7 +15,7 @@
use syntax::ast;
use rustc::hir;
use rustc::hir::itemlikevisit::ItemLikeVisitor;
-use util::nodemap::NodeMap;
+use crate::util::nodemap::NodeMap;
use self::VarianceTerm::*;
