80 lines
1.5 KiB
Rust
80 lines
1.5 KiB
Rust
// run-rustfix
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// edition:2018
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#![warn(clippy::manual_async_fn)]
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#![allow(unused)]
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use std::future::Future;
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fn fut() -> impl Future<Output = i32> {
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async { 42 }
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}
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fn empty_fut() -> impl Future<Output = ()> {
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async {}
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}
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fn core_fut() -> impl core::future::Future<Output = i32> {
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async move { 42 }
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}
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// should be ignored
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fn has_other_stmts() -> impl core::future::Future<Output = i32> {
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let _ = 42;
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async move { 42 }
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}
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// should be ignored
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fn not_fut() -> i32 {
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42
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}
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// should be ignored
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async fn already_async() -> impl Future<Output = i32> {
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async { 42 }
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}
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struct S {}
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impl S {
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fn inh_fut() -> impl Future<Output = i32> {
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async {
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// NOTE: this code is here just to check that the indentation is correct in the suggested fix
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let a = 42;
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let b = 21;
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if a < b {
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let c = 21;
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let d = 42;
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if c < d {
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let _ = 42;
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}
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}
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42
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}
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}
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fn meth_fut(&self) -> impl Future<Output = i32> {
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async { 42 }
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}
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fn empty_fut(&self) -> impl Future<Output = ()> {
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async {}
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}
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// should be ignored
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fn not_fut(&self) -> i32 {
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42
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}
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// should be ignored
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fn has_other_stmts() -> impl core::future::Future<Output = i32> {
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let _ = 42;
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async move { 42 }
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}
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// should be ignored
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async fn already_async(&self) -> impl Future<Output = i32> {
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async { 42 }
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}
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}
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fn main() {}
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