Enum proc_macro::Level[][src]

#[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

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

Formats the value using the given formatter. Read more

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Performs the conversion.

Performs the conversion.

The resulting type after obtaining ownership.

Creates owned data from borrowed data, usually by cloning. Read more

🔬 This is a nightly-only experimental API. (toowned_clone_into #41263)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.