bjoernager/rust
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Auto merge of #106090 - WaffleLapkin:dereffffffffff, r=Nilstrieb

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Remove some `ref` patterns from the compiler

Previous PR: https://github.com/rust-lang/rust/pull/105368

r? `@Nilstrieb`
This commit is contained in:
bors 2023-01-20 04:52:28 +00:00
commit 56ee85274e
53 changed files with 524 additions and 587 deletions
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15
compiler/rustc_hir_analysis/src/lib.rs
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@ -114,6 +114,7 @@ use rustc_trait_selection::traits::error_reporting::TypeErrCtxtExt as _;
use rustc_trait_selection::traits::{self, ObligationCause, ObligationCauseCode};
use std::iter;
use std::ops::Not;
use astconv::AstConv;
use bounds::Bounds;
@ -203,12 +204,8 @@ fn check_main_fn_ty(tcx: TyCtxt<'_>, main_def_id: DefId) {
}
let hir_id = tcx.hir().local_def_id_to_hir_id(def_id.expect_local());
match tcx.hir().find(hir_id) {
Some(Node::Item(hir::Item { kind: hir::ItemKind::Fn(_, ref generics, _), .. })) => {
if !generics.params.is_empty() {
Some(generics.span)
} else {
None
}
Some(Node::Item(hir::Item { kind: hir::ItemKind::Fn(_, generics, _), .. })) => {
generics.params.is_empty().not().then(|| generics.span)
}
_ => {
span_bug!(tcx.def_span(def_id), "main has a non-function type");
@ -222,7 +219,7 @@ fn check_main_fn_ty(tcx: TyCtxt<'_>, main_def_id: DefId) {
}
let hir_id = tcx.hir().local_def_id_to_hir_id(def_id.expect_local());
match tcx.hir().find(hir_id) {
Some(Node::Item(hir::Item { kind: hir::ItemKind::Fn(_, ref generics, _), .. })) => {
Some(Node::Item(hir::Item { kind: hir::ItemKind::Fn(_, generics, _), .. })) => {
Some(generics.where_clause_span)
}
_ => {
@ -244,7 +241,7 @@ fn check_main_fn_ty(tcx: TyCtxt<'_>, main_def_id: DefId) {
}
let hir_id = tcx.hir().local_def_id_to_hir_id(def_id.expect_local());
match tcx.hir().find(hir_id) {
Some(Node::Item(hir::Item { kind: hir::ItemKind::Fn(ref fn_sig, _, _), .. })) => {
Some(Node::Item(hir::Item { kind: hir::ItemKind::Fn(fn_sig, _, _), .. })) => {
Some(fn_sig.decl.output.span())
}
_ => {
@ -374,7 +371,7 @@ fn check_start_fn_ty(tcx: TyCtxt<'_>, start_def_id: DefId) {
match start_t.kind() {
ty::FnDef(..) => {
if let Some(Node::Item(it)) = tcx.hir().find(start_id) {
if let hir::ItemKind::Fn(ref sig, ref generics, _) = it.kind {
if let hir::ItemKind::Fn(sig, generics, _) = &it.kind {
let mut error = false;
if !generics.params.is_empty() {
struct_span_err!(