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Parse alternative incorrect uses of await and recover
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| // edition:2018 | ||
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| #![feature(async_await)] | ||
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| async fn bar() -> Result<(), ()> { | ||
| Ok(()) | ||
| } | ||
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| async fn foo1() -> Result<(), ()> { | ||
| let _ = await bar(); //~ ERROR incorrect use of `await` | ||
| Ok(()) | ||
| } | ||
| async fn foo2() -> Result<(), ()> { | ||
| let _ = await? bar(); //~ ERROR incorrect use of `await` | ||
| Ok(()) | ||
| } | ||
| async fn foo3() -> Result<(), ()> { | ||
| let _ = await bar()?; //~ ERROR incorrect use of `await` | ||
| //~^ ERROR the `?` operator can only be applied to values that implement `std::ops::Try` | ||
| Ok(()) | ||
| } | ||
| async fn foo21() -> Result<(), ()> { | ||
| let _ = await { bar() }; //~ ERROR incorrect use of `await` | ||
| Ok(()) | ||
| } | ||
| async fn foo22() -> Result<(), ()> { | ||
| let _ = await(bar()); //~ ERROR incorrect use of `await` | ||
| Ok(()) | ||
| } | ||
| async fn foo23() -> Result<(), ()> { | ||
| let _ = await { bar() }?; //~ ERROR incorrect use of `await` | ||
| Ok(()) | ||
| } | ||
| async fn foo4() -> Result<(), ()> { | ||
| let _ = (await bar())?; //~ ERROR incorrect use of `await` | ||
| Ok(()) | ||
| } | ||
| async fn foo5() -> Result<(), ()> { | ||
| let _ = bar().await(); //~ ERROR incorrect use of `await` | ||
| Ok(()) | ||
| } | ||
| async fn foo6() -> Result<(), ()> { | ||
| let _ = bar().await()?; //~ ERROR incorrect use of `await` | ||
| Ok(()) | ||
| } | ||
| async fn foo7() -> Result<(), ()> { | ||
| let _ = bar().await; // OK | ||
| Ok(()) | ||
| } | ||
| async fn foo8() -> Result<(), ()> { | ||
| let _ = bar().await?; // OK | ||
| Ok(()) | ||
| } | ||
| fn foo9() -> Result<(), ()> { | ||
| let _ = await bar(); //~ ERROR `await` is only allowed inside `async` functions and blocks | ||
| //~^ ERROR incorrect use of `await` | ||
| Ok(()) | ||
| } | ||
| fn foo10() -> Result<(), ()> { | ||
| let _ = await? bar(); //~ ERROR `await` is only allowed inside `async` functions and blocks | ||
| //~^ ERROR incorrect use of `await` | ||
| Ok(()) | ||
| } | ||
| fn foo11() -> Result<(), ()> { | ||
| let _ = await bar()?; //~ ERROR `await` is only allowed inside `async` functions and blocks | ||
| //~^ ERROR incorrect use of `await` | ||
| Ok(()) | ||
| } | ||
| fn foo12() -> Result<(), ()> { | ||
| let _ = (await bar())?; //~ ERROR `await` is only allowed inside `async` functions and blocks | ||
| //~^ ERROR incorrect use of `await` | ||
| Ok(()) | ||
| } | ||
| fn foo13() -> Result<(), ()> { | ||
| let _ = bar().await(); //~ ERROR `await` is only allowed inside `async` functions and blocks | ||
| //~^ ERROR incorrect use of `await` | ||
| Ok(()) | ||
| } | ||
| fn foo14() -> Result<(), ()> { | ||
| let _ = bar().await()?; //~ ERROR `await` is only allowed inside `async` functions and blocks | ||
| //~^ ERROR incorrect use of `await` | ||
| Ok(()) | ||
| } | ||
| fn foo15() -> Result<(), ()> { | ||
| let _ = bar().await; //~ ERROR `await` is only allowed inside `async` functions and blocks | ||
| Ok(()) | ||
| } | ||
| fn foo16() -> Result<(), ()> { | ||
| let _ = bar().await?; //~ ERROR `await` is only allowed inside `async` functions and blocks | ||
| Ok(()) | ||
| } | ||
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| fn main() {} |
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