Enum proc_macro::Level
source · #[non_exhaustive]pub enum Level {
Error,
Warning,
Note,
Help,
}
🔬This is a nightly-only experimental API. (
proc_macro_diagnostic
#54140)Expand description
An enum representing a diagnostic level.
Variants (Non-exhaustive)§
This enum is marked as non-exhaustive
Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.
Error
🔬This is a nightly-only experimental API. (
proc_macro_diagnostic
#54140)An error.
Warning
🔬This is a nightly-only experimental API. (
proc_macro_diagnostic
#54140)A warning.
Note
🔬This is a nightly-only experimental API. (
proc_macro_diagnostic
#54140)A note.
Help
🔬This is a nightly-only experimental API. (
proc_macro_diagnostic
#54140)A help message.
Trait Implementations§
Auto Trait Implementations§
impl Freeze for Level
impl RefUnwindSafe for Level
impl Send for Level
impl Sync for Level
impl Unpin for Level
impl UnwindSafe for Level
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more