[][src]Enum proc_macro::Level

#[non_exhaustive]pub enum Level {
    Error,
    Warning,
    Note,
    Help,
}
🔬 This is a nightly-only experimental API. (proc_macro_diagnostic #54140)

An enum representing a diagnostic level.

Variants (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

impl Clone for Level[src]

impl Copy for Level[src]

impl Debug for Level[src]

Auto Trait Implementations

impl RefUnwindSafe for Level

impl Send for Level

impl Sync for Level

impl Unpin for Level

impl UnwindSafe for Level

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized
[src]

impl<T> Borrow<T> for T where
    T: ?Sized
[src]

impl<T> BorrowMut<T> for T where
    T: ?Sized
[src]

impl<T> From<T> for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, 
[src]

impl<T> ToOwned for T where
    T: Clone
[src]

type Owned = T

The resulting type after obtaining ownership.

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
[src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
[src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.