diff options
Diffstat (limited to 'src/test/ui/async-await/async-block-control-flow-static-semantics.rs')
-rw-r--r-- | src/test/ui/async-await/async-block-control-flow-static-semantics.rs | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/src/test/ui/async-await/async-block-control-flow-static-semantics.rs b/src/test/ui/async-await/async-block-control-flow-static-semantics.rs deleted file mode 100644 index bc9d12793..000000000 --- a/src/test/ui/async-await/async-block-control-flow-static-semantics.rs +++ /dev/null @@ -1,65 +0,0 @@ -// Test that `async { .. }` blocks: -// 1. do not allow `break` expressions. -// 2. get targeted by `return` and not the parent function. -// 3. get targeted by `?` and not the parent function. -// -// edition:2018 - -fn main() {} - -use core::future::Future; - -fn return_targets_async_block_not_fn() -> u8 { - //~^ ERROR mismatched types - let block = async { - return 0u8; - }; - let _: &dyn Future<Output = ()> = █ - //~^ ERROR to be a future that resolves to `()`, but it resolves to `u8` -} - -async fn return_targets_async_block_not_async_fn() -> u8 { - //~^ ERROR mismatched types [E0308] - let block = async { - return 0u8; - }; - let _: &dyn Future<Output = ()> = █ - //~^ ERROR to be a future that resolves to `()`, but it resolves to `u8` -} - -fn no_break_in_async_block() { - async { - break 0u8; //~ ERROR `break` inside of an `async` block - }; -} - -fn no_break_in_async_block_even_with_outer_loop() { - loop { - async { - break 0u8; //~ ERROR `break` inside of an `async` block - }; - } -} - -struct MyErr; -fn err() -> Result<u8, MyErr> { - Err(MyErr) -} - -fn rethrow_targets_async_block_not_fn() -> Result<u8, MyErr> { - //~^ ERROR mismatched types - let block = async { - err()?; - Ok(()) - }; - let _: &dyn Future<Output = Result<(), MyErr>> = █ -} - -fn rethrow_targets_async_block_not_async_fn() -> Result<u8, MyErr> { - //~^ ERROR mismatched types - let block = async { - err()?; - Ok(()) - }; - let _: &dyn Future<Output = Result<(), MyErr>> = █ -} |