# Enum proc_macro::Level [−] [src]

    pub enum Level {
        Error,
        Warning,
        Note,
        Help,
        // some variants omitted
    }

🔬 This is a nightly-only experimental API. (`proc_macro` #38356)

An enum representing a diagnostic level.

## Variants

`Error`
🔬 This is a nightly-only experimental API. (`proc_macro` #38356)

An error.

`Warning`
🔬 This is a nightly-only experimental API. (`proc_macro` #38356)

A warning.

`Note`
🔬 This is a nightly-only experimental API. (`proc_macro` #38356)

A note.

`Help`
🔬 This is a nightly-only experimental API. (`proc_macro` #38356)

A help message.

## Trait Implementations

### `impl Copy for Level`
[src]

### `impl Clone for Level`
[src]

#### `fn clone(&self) -> Level`
[src]

Returns a copy of the value. Read more

#### `fn clone_from(&mut self, source: &Self)`
1.0.0
[src]

Performs copy-assignment from `source`. Read more

### `impl Debug for Level`
[src]

#### `fn fmt(&self, __arg_0: &mut Formatter) -> Result`
[src]

Formats the value using the given formatter.

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