Auto merge of #11629 - flip1995:rustup, r=flip1995

Rustup

r? `@ghost`

changelog: none
This commit is contained in:
bors 2023-10-06 15:34:34 +00:00
commit b105fb4c39
24 changed files with 118 additions and 87 deletions

View file

@ -1,6 +1,6 @@
[package]
name = "clippy"
version = "0.1.74"
version = "0.1.75"
description = "A bunch of helpful lints to avoid common pitfalls in Rust"
repository = "https://github.com/rust-lang/rust-clippy"
readme = "README.md"

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@ -1,6 +1,6 @@
[package]
name = "clippy_lints"
version = "0.1.74"
version = "0.1.75"
description = "A bunch of helpful lints to avoid common pitfalls in Rust"
repository = "https://github.com/rust-lang/rust-clippy"
readme = "README.md"

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@ -50,7 +50,7 @@ impl<'tcx> LateLintPass<'tcx> for NumberedFields {
&& fields
.iter()
.all(|f| f.ident.as_str().as_bytes().iter().all(u8::is_ascii_digit))
&& !matches!(cx.qpath_res(path, e.hir_id), Res::Def(DefKind::TyAlias { .. }, ..))
&& !matches!(cx.qpath_res(path, e.hir_id), Res::Def(DefKind::TyAlias, ..))
{
let expr_spans = fields
.iter()

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@ -24,7 +24,6 @@ fn get_ty_from_args<'a>(args: Option<&'a [hir::GenericArg<'a>]>, index: usize) -
}
}
#[expect(clippy::too_many_lines)]
pub(super) fn check(
cx: &LateContext<'_>,
expr: &hir::Expr<'_>,
@ -101,15 +100,11 @@ pub(super) fn check(
(expr.span.with_lo(args[0].span.hi()), String::new()),
]),
("None", "unwrap_or_else", _) => match args[0].kind {
hir::ExprKind::Closure(hir::Closure {
fn_decl:
hir::FnDecl {
output: hir::FnRetTy::DefaultReturn(span) | hir::FnRetTy::Return(hir::Ty { span, .. }),
..
},
..
}) => Some(vec![
(expr.span.with_hi(span.hi()), String::new()),
hir::ExprKind::Closure(hir::Closure { body, .. }) => Some(vec![
(
expr.span.with_hi(cx.tcx.hir().body(*body).value.span.lo()),
String::new(),
),
(expr.span.with_lo(args[0].span.hi()), String::new()),
]),
_ => None,

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@ -401,7 +401,7 @@ fn can_change_type<'a>(cx: &LateContext<'a>, mut expr: &'a Expr<'a>, mut ty: Ty<
= get_callee_generic_args_and_args(cx, parent_expr)
{
// FIXME: the `instantiate_identity()` below seems incorrect, since we eventually
// call `tcx.try_subst_and_normalize_erasing_regions` further down
// call `tcx.try_instantiate_and_normalize_erasing_regions` further down
// (i.e., we are explicitly not in the identity context).
let fn_sig = cx.tcx.fn_sig(callee_def_id).instantiate_identity().skip_binder();
if let Some(arg_index) = recv.into_iter().chain(call_args).position(|arg| arg.hir_id == expr.hir_id)
@ -452,7 +452,7 @@ fn can_change_type<'a>(cx: &LateContext<'a>, mut expr: &'a Expr<'a>, mut ty: Ty<
let output_ty = fn_sig.output();
if output_ty.contains(*param_ty) {
if let Ok(new_ty) = cx.tcx.try_subst_and_normalize_erasing_regions(
if let Ok(new_ty) = cx.tcx.try_instantiate_and_normalize_erasing_regions(
new_subst, cx.param_env, EarlyBinder::bind(output_ty)) {
expr = parent_expr;
ty = new_ty;

View file

@ -134,15 +134,27 @@ impl<'a, 'tcx> DivergenceVisitor<'a, 'tcx> {
}
}
fn stmt_might_diverge(stmt: &Stmt<'_>) -> bool {
!matches!(stmt.kind, StmtKind::Item(..))
}
impl<'a, 'tcx> Visitor<'tcx> for DivergenceVisitor<'a, 'tcx> {
fn visit_expr(&mut self, e: &'tcx Expr<'_>) {
match e.kind {
// fix #10776
ExprKind::Block(block, ..) => match (block.stmts, block.expr) {
([], Some(e)) => self.visit_expr(e),
([stmt], None) => match stmt.kind {
StmtKind::Expr(e) | StmtKind::Semi(e) => self.visit_expr(e),
_ => {},
(stmts, Some(e)) => {
if stmts.iter().all(|stmt| !stmt_might_diverge(stmt)) {
self.visit_expr(e);
}
},
([first @ .., stmt], None) => {
if first.iter().all(|stmt| !stmt_might_diverge(stmt)) {
match stmt.kind {
StmtKind::Expr(e) | StmtKind::Semi(e) => self.visit_expr(e),
_ => {},
}
}
},
_ => {},
},

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@ -28,8 +28,8 @@ declare_clippy_lint! {
/// know the name of the lint.
///
/// ### Known problems
/// Only checks for lints associated using the
/// `declare_lint_pass!`, `impl_lint_pass!`, and `lint_array!` macros.
/// Only checks for lints associated using the `declare_lint_pass!` and
/// `impl_lint_pass!` macros.
///
/// ### Example
/// ```rust,ignore

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@ -1,6 +1,6 @@
[package]
name = "clippy_utils"
version = "0.1.74"
version = "0.1.75"
edition = "2021"
publish = false

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@ -287,7 +287,7 @@ pub fn is_wild(pat: &Pat<'_>) -> bool {
/// Checks if the given `QPath` belongs to a type alias.
pub fn is_ty_alias(qpath: &QPath<'_>) -> bool {
match *qpath {
QPath::Resolved(_, path) => matches!(path.res, Res::Def(DefKind::TyAlias { .. } | DefKind::AssocTy, ..)),
QPath::Resolved(_, path) => matches!(path.res, Res::Def(DefKind::TyAlias | DefKind::AssocTy, ..)),
QPath::TypeRelative(ty, _) if let TyKind::Path(qpath) = ty.kind => { is_ty_alias(&qpath) },
_ => false,
}

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@ -228,16 +228,26 @@ pub enum PanicExpn<'a> {
impl<'a> PanicExpn<'a> {
pub fn parse(expr: &'a Expr<'a>) -> Option<Self> {
let ExprKind::Call(callee, [arg, rest @ ..]) = &expr.kind else {
let ExprKind::Call(callee, args) = &expr.kind else {
return None;
};
let ExprKind::Path(QPath::Resolved(_, path)) = &callee.kind else {
return None;
};
let result = match path.segments.last().unwrap().ident.as_str() {
let name = path.segments.last().unwrap().ident.as_str();
// This has no argument
if name == "panic_cold_explicit" {
return Some(Self::Empty);
};
let [arg, rest @ ..] = args else {
return None;
};
let result = match name {
"panic" if arg.span.ctxt() == expr.span.ctxt() => Self::Empty,
"panic" | "panic_str" => Self::Str(arg),
"panic_display" => {
"panic_display" | "panic_cold_display" => {
let ExprKind::AddrOf(_, _, e) = &arg.kind else {
return None;
};

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@ -30,20 +30,26 @@ pub fn visit_local_usage(locals: &[Local], mir: &Body<'_>, location: Location) -
locals.len()
];
traversal::ReversePostorder::new(mir, location.block).try_fold(init, |usage, (tbb, tdata)| {
// Give up on loops
if tdata.terminator().successors().any(|s| s == location.block) {
return None;
}
traversal::Postorder::new(&mir.basic_blocks, location.block)
.collect::<Vec<_>>()
.into_iter()
.rev()
.try_fold(init, |usage, tbb| {
let tdata = &mir.basic_blocks[tbb];
let mut v = V {
locals,
location,
results: usage,
};
v.visit_basic_block_data(tbb, tdata);
Some(v.results)
})
// Give up on loops
if tdata.terminator().successors().any(|s| s == location.block) {
return None;
}
let mut v = V {
locals,
location,
results: usage,
};
v.visit_basic_block_data(tbb, tdata);
Some(v.results)
})
}
struct V<'a> {

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@ -272,6 +272,7 @@ fn check_place<'tcx>(tcx: TyCtxt<'tcx>, place: Place<'tcx>, span: Span, body: &B
| ProjectionElem::Downcast(..)
| ProjectionElem::Subslice { .. }
| ProjectionElem::Deref
| ProjectionElem::Subtype(_)
| ProjectionElem::Index(_) => {},
}
}

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@ -219,7 +219,7 @@ fn path_segment_certainty(
// See the comment preceding `qpath_certainty`. `def_id` could refer to a type or a value.
let certainty = lhs.join_clearing_def_ids(rhs);
if resolves_to_type {
if let DefKind::TyAlias { .. } = cx.tcx.def_kind(def_id) {
if let DefKind::TyAlias = cx.tcx.def_kind(def_id) {
adt_def_id(cx.tcx.type_of(def_id).instantiate_identity())
.map_or(certainty, |def_id| certainty.with_def_id(def_id))
} else {

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@ -1,6 +1,6 @@
[package]
name = "declare_clippy_lint"
version = "0.1.74"
version = "0.1.75"
edition = "2021"
publish = false

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@ -1,3 +1,3 @@
[toolchain]
channel = "nightly-2023-09-25"
channel = "nightly-2023-10-06"
components = ["cargo", "llvm-tools", "rust-src", "rust-std", "rustc", "rustc-dev", "rustfmt"]

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@ -2,7 +2,7 @@ error: this function has too many arguments (11/10)
--> $DIR/too_many_arguments.rs:4:1
|
LL | fn too_many(p1: u8, p2: u8, p3: u8, p4: u8, p5: u8, p6: u8, p7: u8, p8: u8, p9: u8, p10: u8, p11: u8) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: `-D clippy::too-many-arguments` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::too_many_arguments)]`

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@ -1,8 +1,8 @@
warning: future cannot be sent between threads safely
--> $DIR/ice-10645.rs:5:35
--> $DIR/ice-10645.rs:5:1
|
LL | pub async fn bar<'a, T: 'a>(_: T) {}
| ^ future returned by `bar` is not `Send`
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ future returned by `bar` is not `Send`
|
note: captured value is not `Send`
--> $DIR/ice-10645.rs:5:29

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@ -2,7 +2,7 @@ error: this function has too many arguments (8/7)
--> $DIR/functions.rs:8:1
|
LL | fn bad(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool, _eight: ()) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: `-D clippy::too-many-arguments` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::too_many_arguments)]`
@ -17,7 +17,7 @@ LL | | two: u32,
... |
LL | | eight: ()
LL | | ) {
| |__^
| |_^
error: this function has too many arguments (8/7)
--> $DIR/functions.rs:48:5
@ -29,7 +29,7 @@ error: this function has too many arguments (8/7)
--> $DIR/functions.rs:58:5
|
LL | fn bad_method(_one: u32, _two: u32, _three: &str, _four: bool, _five: f32, _six: f32, _seven: bool, _eight: ()) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: this public function might dereference a raw pointer but is not marked `unsafe`
--> $DIR/functions.rs:68:34

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@ -1,8 +1,8 @@
error: future cannot be sent between threads safely
--> $DIR/future_not_send.rs:7:62
--> $DIR/future_not_send.rs:7:1
|
LL | async fn private_future(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {
| ^^^^ future returned by `private_future` is not `Send`
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ future returned by `private_future` is not `Send`
|
note: future is not `Send` as this value is used across an await
--> $DIR/future_not_send.rs:9:20
@ -23,10 +23,10 @@ LL | async fn private_future(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {
= help: to override `-D warnings` add `#[allow(clippy::future_not_send)]`
error: future cannot be sent between threads safely
--> $DIR/future_not_send.rs:12:42
--> $DIR/future_not_send.rs:12:1
|
LL | pub async fn public_future(rc: Rc<[u8]>) {
| ^ future returned by `public_future` is not `Send`
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ future returned by `public_future` is not `Send`
|
note: future is not `Send` as this value is used across an await
--> $DIR/future_not_send.rs:14:20
@ -39,10 +39,10 @@ LL | async { true }.await;
= note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Send`
error: future cannot be sent between threads safely
--> $DIR/future_not_send.rs:21:63
--> $DIR/future_not_send.rs:21:1
|
LL | async fn private_future2(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {
| ^^^^ future returned by `private_future2` is not `Send`
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ future returned by `private_future2` is not `Send`
|
note: captured value is not `Send`
--> $DIR/future_not_send.rs:21:26
@ -58,10 +58,10 @@ LL | async fn private_future2(rc: Rc<[u8]>, cell: &Cell<usize>) -> bool {
= note: `std::cell::Cell<usize>` doesn't implement `std::marker::Sync`
error: future cannot be sent between threads safely
--> $DIR/future_not_send.rs:26:43
--> $DIR/future_not_send.rs:26:1
|
LL | pub async fn public_future2(rc: Rc<[u8]>) {}
| ^ future returned by `public_future2` is not `Send`
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ future returned by `public_future2` is not `Send`
|
note: captured value is not `Send`
--> $DIR/future_not_send.rs:26:29
@ -71,10 +71,10 @@ LL | pub async fn public_future2(rc: Rc<[u8]>) {}
= note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Send`
error: future cannot be sent between threads safely
--> $DIR/future_not_send.rs:38:39
--> $DIR/future_not_send.rs:38:5
|
LL | async fn private_future(&self) -> usize {
| ^^^^^ future returned by `private_future` is not `Send`
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ future returned by `private_future` is not `Send`
|
note: future is not `Send` as this value is used across an await
--> $DIR/future_not_send.rs:40:24
@ -87,10 +87,10 @@ LL | async { true }.await;
= note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Sync`
error: future cannot be sent between threads safely
--> $DIR/future_not_send.rs:44:39
--> $DIR/future_not_send.rs:44:5
|
LL | pub async fn public_future(&self) {
| ^ future returned by `public_future` is not `Send`
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ future returned by `public_future` is not `Send`
|
note: captured value is not `Send` because `&` references cannot be sent unless their referent is `Sync`
--> $DIR/future_not_send.rs:44:32
@ -100,10 +100,13 @@ LL | pub async fn public_future(&self) {
= note: `std::rc::Rc<[u8]>` doesn't implement `std::marker::Sync`
error: future cannot be sent between threads safely
--> $DIR/future_not_send.rs:55:37
--> $DIR/future_not_send.rs:55:1
|
LL | async fn generic_future<T>(t: T) -> T
| ^ future returned by `generic_future` is not `Send`
LL | / async fn generic_future<T>(t: T) -> T
LL | |
LL | | where
LL | | T: Send,
| |____________^ future returned by `generic_future` is not `Send`
|
note: future is not `Send` as this value is used across an await
--> $DIR/future_not_send.rs:61:20
@ -115,10 +118,10 @@ LL | async { true }.await;
= note: `T` doesn't implement `std::marker::Sync`
error: future cannot be sent between threads safely
--> $DIR/future_not_send.rs:73:34
--> $DIR/future_not_send.rs:73:1
|
LL | async fn unclear_future<T>(t: T) {}
| ^ future returned by `unclear_future` is not `Send`
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ future returned by `unclear_future` is not `Send`
|
note: captured value is not `Send`
--> $DIR/future_not_send.rs:73:28

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@ -4,14 +4,18 @@
//@no-rustfix
use std::sync::atomic::Ordering; // #[non_exhaustive] enum
fn repeat() -> ! {
panic!()
}
pub fn f(x: Ordering) {
match x {
Ordering::Relaxed => println!("relaxed"),
Ordering::Release => println!("release"),
Ordering::Acquire => println!("acquire"),
Ordering::AcqRel | Ordering::SeqCst => panic!(),
Ordering::AcqRel | Ordering::SeqCst => repeat(),
#[deny(non_exhaustive_omitted_patterns)]
_ => panic!(),
_ => repeat(),
}
}
@ -25,8 +29,8 @@ mod f {
Ordering::Relaxed => println!("relaxed"),
Ordering::Release => println!("release"),
Ordering::Acquire => println!("acquire"),
Ordering::AcqRel | Ordering::SeqCst => panic!(),
_ => panic!(),
Ordering::AcqRel | Ordering::SeqCst => repeat(),
_ => repeat(),
}
}
}
@ -38,9 +42,9 @@ pub fn g(x: Ordering) {
Ordering::Relaxed => println!("relaxed"),
Ordering::Release => println!("release"),
Ordering::Acquire => println!("acquire"),
Ordering::AcqRel | Ordering::SeqCst => panic!(),
Ordering::AcqRel | Ordering::SeqCst => repeat(),
//~^ ERROR: this match arm has an identical body to the `_` wildcard arm
_ => panic!(),
_ => repeat(),
}
}
@ -52,9 +56,9 @@ mod g {
Ordering::Relaxed => println!("relaxed"),
Ordering::Release => println!("release"),
Ordering::Acquire => println!("acquire"),
Ordering::AcqRel | Ordering::SeqCst => panic!(),
Ordering::AcqRel | Ordering::SeqCst => repeat(),
//~^ ERROR: this match arm has an identical body to the `_` wildcard arm
_ => panic!(),
_ => repeat(),
}
}
}

View file

@ -1,29 +1,29 @@
error: this match arm has an identical body to the `_` wildcard arm
--> $DIR/match_same_arms_non_exhaustive.rs:41:9
--> $DIR/match_same_arms_non_exhaustive.rs:45:9
|
LL | Ordering::AcqRel | Ordering::SeqCst => panic!(),
LL | Ordering::AcqRel | Ordering::SeqCst => repeat(),
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the arm
|
= help: or try changing either arm body
note: `_` wildcard arm here
--> $DIR/match_same_arms_non_exhaustive.rs:43:9
--> $DIR/match_same_arms_non_exhaustive.rs:47:9
|
LL | _ => panic!(),
LL | _ => repeat(),
| ^^^^^^^^^^^^^
= note: `-D clippy::match-same-arms` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::match_same_arms)]`
error: this match arm has an identical body to the `_` wildcard arm
--> $DIR/match_same_arms_non_exhaustive.rs:55:13
--> $DIR/match_same_arms_non_exhaustive.rs:59:13
|
LL | Ordering::AcqRel | Ordering::SeqCst => panic!(),
LL | Ordering::AcqRel | Ordering::SeqCst => repeat(),
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the arm
|
= help: or try changing either arm body
note: `_` wildcard arm here
--> $DIR/match_same_arms_non_exhaustive.rs:57:13
--> $DIR/match_same_arms_non_exhaustive.rs:61:13
|
LL | _ => panic!(),
LL | _ => repeat(),
| ^^^^^^^^^^^^^
error: aborting due to 2 previous errors

View file

@ -4,7 +4,7 @@ error: this unit-returning function has a `#[must_use]` attribute
LL | #[must_use]
| ----------- help: remove the attribute
LL | pub fn must_use_default() {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: `-D clippy::must-use-unit` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::must_use_unit)]`
@ -23,7 +23,7 @@ error: this unit-returning function has a `#[must_use]` attribute
LL | #[must_use = "With note"]
| ------------------------- help: remove the attribute
LL | pub fn must_use_with_note() {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
error: aborting due to 3 previous errors

View file

@ -23,7 +23,7 @@ fn unwrap_option_none() {
let _val: u16 = 234;
let _val: u16 = 234;
let _val: u16 = { 234 };
let _val: u16 = { 234 };
let _val: u16 = { 234 };
panic!();
panic!("this always happens");
@ -31,7 +31,7 @@ fn unwrap_option_none() {
234;
234;
{ 234 };
{ 234 };
{ 234 };
}
fn unwrap_result_ok() {

View file

@ -116,7 +116,7 @@ LL | let _val: u16 = None.unwrap_or_else(|| -> u16 { 234 });
help: remove the `None` and `unwrap_or_else()`
|
LL - let _val: u16 = None.unwrap_or_else(|| -> u16 { 234 });
LL + let _val: u16 = { 234 };
LL + let _val: u16 = { 234 };
|
error: used `unwrap()` on `None` value
@ -187,7 +187,7 @@ LL | None::<u16>.unwrap_or_else(|| -> u16 { 234 });
help: remove the `None` and `unwrap_or_else()`
|
LL - None::<u16>.unwrap_or_else(|| -> u16 { 234 });
LL + { 234 };
LL + { 234 };
|
error: used `unwrap()` on `Ok` value