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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
commit218caa410aa38c29984be31a5229b9fa717560ee (patch)
treec54bd55eeb6e4c508940a30e94c0032fbd45d677 /src/test/ui/try-trait/bad-interconversion.stderr
parentReleasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff)
downloadrustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz
rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/try-trait/bad-interconversion.stderr')
-rw-r--r--src/test/ui/try-trait/bad-interconversion.stderr103
1 files changed, 0 insertions, 103 deletions
diff --git a/src/test/ui/try-trait/bad-interconversion.stderr b/src/test/ui/try-trait/bad-interconversion.stderr
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@@ -1,103 +0,0 @@
-error[E0277]: `?` couldn't convert the error to `u8`
- --> $DIR/bad-interconversion.rs:6:20
- |
-LL | fn result_to_result() -> Result<u64, u8> {
- | --------------- expected `u8` because of this
-LL | Ok(Err(123_i32)?)
- | ^ the trait `From<i32>` is not implemented for `u8`
- |
- = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
- = help: the following other types implement trait `From<T>`:
- <u8 as From<NonZeroU8>>
- <u8 as From<bool>>
- = note: required for `Result<u64, u8>` to implement `FromResidual<Result<Infallible, i32>>`
-
-error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a function that returns `Result`
- --> $DIR/bad-interconversion.rs:11:12
- |
-LL | fn option_to_result() -> Result<u64, String> {
- | -------------------------------------------- this function returns a `Result`
-LL | Some(3)?;
- | ^ use `.ok_or(...)?` to provide an error compatible with `Result<u64, String>`
- |
- = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `Result<u64, String>`
- = help: the following other types implement trait `FromResidual<R>`:
- <Result<T, F> as FromResidual<Result<Infallible, E>>>
- <Result<T, F> as FromResidual<Yeet<E>>>
-
-error[E0277]: the `?` operator can only be used on `Result`s in a function that returns `Result`
- --> $DIR/bad-interconversion.rs:17:31
- |
-LL | fn control_flow_to_result() -> Result<u64, String> {
- | -------------------------------------------------- this function returns a `Result`
-LL | Ok(ControlFlow::Break(123)?)
- | ^ this `?` produces `ControlFlow<{integer}, Infallible>`, which is incompatible with `Result<u64, String>`
- |
- = help: the trait `FromResidual<ControlFlow<{integer}, Infallible>>` is not implemented for `Result<u64, String>`
- = help: the following other types implement trait `FromResidual<R>`:
- <Result<T, F> as FromResidual<Result<Infallible, E>>>
- <Result<T, F> as FromResidual<Yeet<E>>>
-
-error[E0277]: the `?` operator can only be used on `Option`s, not `Result`s, in a function that returns `Option`
- --> $DIR/bad-interconversion.rs:22:22
- |
-LL | fn result_to_option() -> Option<u16> {
- | ------------------------------------ this function returns an `Option`
-LL | Some(Err("hello")?)
- | ^ use `.ok()?` if you want to discard the `Result<Infallible, &str>` error information
- |
- = help: the trait `FromResidual<Result<Infallible, &str>>` is not implemented for `Option<u16>`
- = help: the following other types implement trait `FromResidual<R>`:
- <Option<T> as FromResidual<Yeet<()>>>
- <Option<T> as FromResidual>
-
-error[E0277]: the `?` operator can only be used on `Option`s in a function that returns `Option`
- --> $DIR/bad-interconversion.rs:27:33
- |
-LL | fn control_flow_to_option() -> Option<u64> {
- | ------------------------------------------ this function returns an `Option`
-LL | Some(ControlFlow::Break(123)?)
- | ^ this `?` produces `ControlFlow<{integer}, Infallible>`, which is incompatible with `Option<u64>`
- |
- = help: the trait `FromResidual<ControlFlow<{integer}, Infallible>>` is not implemented for `Option<u64>`
- = help: the following other types implement trait `FromResidual<R>`:
- <Option<T> as FromResidual<Yeet<()>>>
- <Option<T> as FromResidual>
-
-error[E0277]: the `?` operator can only be used on `ControlFlow`s in a function that returns `ControlFlow`
- --> $DIR/bad-interconversion.rs:32:39
- |
-LL | fn result_to_control_flow() -> ControlFlow<String> {
- | -------------------------------------------------- this function returns a `ControlFlow`
-LL | ControlFlow::Continue(Err("hello")?)
- | ^ this `?` produces `Result<Infallible, &str>`, which is incompatible with `ControlFlow<String>`
- |
- = help: the trait `FromResidual<Result<Infallible, &str>>` is not implemented for `ControlFlow<String>`
- = help: the trait `FromResidual` is implemented for `ControlFlow<B, C>`
-
-error[E0277]: the `?` operator can only be used on `ControlFlow`s in a function that returns `ControlFlow`
- --> $DIR/bad-interconversion.rs:37:12
- |
-LL | fn option_to_control_flow() -> ControlFlow<u64> {
- | ----------------------------------------------- this function returns a `ControlFlow`
-LL | Some(3)?;
- | ^ this `?` produces `Option<Infallible>`, which is incompatible with `ControlFlow<u64>`
- |
- = help: the trait `FromResidual<Option<Infallible>>` is not implemented for `ControlFlow<u64>`
- = help: the trait `FromResidual` is implemented for `ControlFlow<B, C>`
-
-error[E0277]: the `?` operator in a function that returns `ControlFlow<B, _>` can only be used on other `ControlFlow<B, _>`s (with the same Break type)
- --> $DIR/bad-interconversion.rs:43:29
- |
-LL | fn control_flow_to_control_flow() -> ControlFlow<i64> {
- | ----------------------------------------------------- this function returns a `ControlFlow`
-LL | ControlFlow::Break(4_u8)?;
- | ^ this `?` produces `ControlFlow<u8, Infallible>`, which is incompatible with `ControlFlow<i64>`
- |
- = help: the trait `FromResidual<ControlFlow<u8, Infallible>>` is not implemented for `ControlFlow<i64>`
- = note: unlike `Result`, there's no `From`-conversion performed for `ControlFlow`
- = help: the trait `FromResidual` is implemented for `ControlFlow<B, C>`
-
-error: aborting due to 8 previous errors
-
-For more information about this error, try `rustc --explain E0277`.