rust/tests/ui/suggestions/if-then-neeing-semi.rs

62 lines
1.9 KiB
Rust

// edition:2018
fn dummy() -> i32 {
42
}
fn extra_semicolon() {
let _ = if true {
//~^ NOTE `if` and `else` have incompatible types
dummy(); //~ NOTE expected because of this
//~^ HELP consider removing this semicolon
} else {
dummy() //~ ERROR `if` and `else` have incompatible types
//~^ NOTE expected `()`, found `i32`
};
}
async fn async_dummy() {}
async fn async_dummy2() {}
async fn async_extra_semicolon_same() {
let _ = if true {
//~^ NOTE `if` and `else` have incompatible types
async_dummy(); //~ NOTE expected because of this
//~^ HELP consider removing this semicolon
} else {
async_dummy() //~ ERROR `if` and `else` have incompatible types
//~^ NOTE expected `()`, found opaque type
//~| NOTE expected unit type `()`
//~| HELP consider `await`ing on the `Future`
};
}
async fn async_extra_semicolon_different() {
let _ = if true {
//~^ NOTE `if` and `else` have incompatible types
async_dummy(); //~ NOTE expected because of this
//~^ HELP consider removing this semicolon
} else {
async_dummy2() //~ ERROR `if` and `else` have incompatible types
//~^ NOTE expected `()`, found opaque type
//~| NOTE expected unit type `()`
//~| HELP consider `await`ing on the `Future`
};
}
async fn async_different_futures() {
let _ = if true {
//~^ NOTE `if` and `else` have incompatible types
async_dummy() //~ NOTE expected because of this
//~| HELP consider `await`ing on both `Future`s
} else {
async_dummy2() //~ ERROR `if` and `else` have incompatible types
//~^ NOTE expected opaque type, found a different opaque type
//~| NOTE expected opaque type `impl Future<Output = ()>`
//~| NOTE distinct uses of `impl Trait` result in different opaque types
};
}
fn main() {}