mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-30 08:30:45 +00:00
211 lines
7.7 KiB
Text
211 lines
7.7 KiB
Text
error: this function can be simplified using the `async fn` syntax
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--> $DIR/manual_async_fn.rs:6:1
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LL | fn fut() -> impl Future<Output = i32> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: `-D clippy::manual-async-fn` implied by `-D warnings`
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= help: to override `-D warnings` add `#[allow(clippy::manual_async_fn)]`
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help: make the function `async` and return the output of the future directly
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LL | async fn fut() -> i32 {
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| ~~~~~~~~~~~~~~~~~~~~~
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help: move the body of the async block to the enclosing function
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LL | fn fut() -> impl Future<Output = i32> { 42 }
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| ~~~~~~
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error: this function can be simplified using the `async fn` syntax
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--> $DIR/manual_async_fn.rs:11:1
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LL | fn fut2() ->impl Future<Output = i32> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: make the function `async` and return the output of the future directly
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LL | async fn fut2() -> i32 {
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| ~~~~~~~~~~~~~~~~~~~~~~
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help: move the body of the async block to the enclosing function
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LL | fn fut2() ->impl Future<Output = i32> { 42 }
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| ~~~~~~
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error: this function can be simplified using the `async fn` syntax
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--> $DIR/manual_async_fn.rs:16:1
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LL | fn fut3()-> impl Future<Output = i32> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: make the function `async` and return the output of the future directly
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LL | async fn fut3() -> i32 {
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| ~~~~~~~~~~~~~~~~~~~~~~
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help: move the body of the async block to the enclosing function
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LL | fn fut3()-> impl Future<Output = i32> { 42 }
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| ~~~~~~
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error: this function can be simplified using the `async fn` syntax
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--> $DIR/manual_async_fn.rs:20:1
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LL | fn empty_fut() -> impl Future<Output = ()> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: make the function `async` and remove the return type
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LL | async fn empty_fut() {
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| ~~~~~~~~~~~~~~~~~~~~
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help: move the body of the async block to the enclosing function
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LL | fn empty_fut() -> impl Future<Output = ()> {}
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| ~~
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error: this function can be simplified using the `async fn` syntax
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--> $DIR/manual_async_fn.rs:25:1
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LL | fn empty_fut2() ->impl Future<Output = ()> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: make the function `async` and remove the return type
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LL | async fn empty_fut2() {
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| ~~~~~~~~~~~~~~~~~~~~~
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help: move the body of the async block to the enclosing function
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LL | fn empty_fut2() ->impl Future<Output = ()> {}
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| ~~
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error: this function can be simplified using the `async fn` syntax
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--> $DIR/manual_async_fn.rs:30:1
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LL | fn empty_fut3()-> impl Future<Output = ()> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: make the function `async` and remove the return type
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LL | async fn empty_fut3() {
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| ~~~~~~~~~~~~~~~~~~~~~
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help: move the body of the async block to the enclosing function
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LL | fn empty_fut3()-> impl Future<Output = ()> {}
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| ~~
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error: this function can be simplified using the `async fn` syntax
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--> $DIR/manual_async_fn.rs:34:1
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LL | fn core_fut() -> impl core::future::Future<Output = i32> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: make the function `async` and return the output of the future directly
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LL | async fn core_fut() -> i32 {
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| ~~~~~~~~~~~~~~~~~~~~~~~~~~
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help: move the body of the async block to the enclosing function
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LL | fn core_fut() -> impl core::future::Future<Output = i32> { 42 }
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| ~~~~~~
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error: this function can be simplified using the `async fn` syntax
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--> $DIR/manual_async_fn.rs:56:5
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LL | fn inh_fut() -> impl Future<Output = i32> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: make the function `async` and return the output of the future directly
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LL | async fn inh_fut() -> i32 {
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| ~~~~~~~~~~~~~~~~~~~~~~~~~
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help: move the body of the async block to the enclosing function
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LL ~ fn inh_fut() -> impl Future<Output = i32> {
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LL + // NOTE: this code is here just to check that the indentation is correct in the suggested fix
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LL + let a = 42;
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LL + let b = 21;
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LL + if a < b {
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LL + let c = 21;
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LL + let d = 42;
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LL + if c < d {
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LL + let _ = 42;
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LL + }
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LL + }
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LL + 42
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LL + }
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error: this function can be simplified using the `async fn` syntax
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--> $DIR/manual_async_fn.rs:91:1
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LL | fn elided(_: &i32) -> impl Future<Output = i32> + '_ {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: make the function `async` and return the output of the future directly
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LL | async fn elided(_: &i32) -> i32 {
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| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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help: move the body of the async block to the enclosing function
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LL | fn elided(_: &i32) -> impl Future<Output = i32> + '_ { 42 }
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| ~~~~~~
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error: this function can be simplified using the `async fn` syntax
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--> $DIR/manual_async_fn.rs:100:1
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LL | fn explicit<'a, 'b>(_: &'a i32, _: &'b i32) -> impl Future<Output = i32> + 'a + 'b {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: make the function `async` and return the output of the future directly
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LL | async fn explicit<'a, 'b>(_: &'a i32, _: &'b i32) -> i32 {
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| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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help: move the body of the async block to the enclosing function
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LL | fn explicit<'a, 'b>(_: &'a i32, _: &'b i32) -> impl Future<Output = i32> + 'a + 'b { 42 }
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| ~~~~~~
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error: this function can be simplified using the `async fn` syntax
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--> $DIR/manual_async_fn.rs:129:1
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LL | pub fn issue_10450() -> impl Future<Output = i32> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: make the function `async` and return the output of the future directly
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LL | pub async fn issue_10450() -> i32 {
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| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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help: move the body of the async block to the enclosing function
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LL | pub fn issue_10450() -> impl Future<Output = i32> { 42 }
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| ~~~~~~
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error: this function can be simplified using the `async fn` syntax
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--> $DIR/manual_async_fn.rs:133:1
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LL | pub(crate) fn issue_10450_2() -> impl Future<Output = i32> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: make the function `async` and return the output of the future directly
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LL | pub(crate) async fn issue_10450_2() -> i32 {
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| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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help: move the body of the async block to the enclosing function
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LL | pub(crate) fn issue_10450_2() -> impl Future<Output = i32> { 42 }
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| ~~~~~~
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error: this function can be simplified using the `async fn` syntax
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--> $DIR/manual_async_fn.rs:137:1
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LL | pub(self) fn issue_10450_3() -> impl Future<Output = i32> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: make the function `async` and return the output of the future directly
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LL | pub(self) async fn issue_10450_3() -> i32 {
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| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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help: move the body of the async block to the enclosing function
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LL | pub(self) fn issue_10450_3() -> impl Future<Output = i32> { 42 }
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| ~~~~~~
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error: aborting due to 13 previous errors
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