Enum Warning 

pub enum Warning {
    Deprecated {
        name: String,
        index: Option<usize>,
        message: String,
        links: Vec<String>,
        span: Span,
    },
}

Creates a compile-time warning for proc macro use. See DeprecatedWarningBuilder for usage.

Variants

Deprecated

A deprecation warning that notifies users of outdated types and functions.

Fields

name: String

The name of the warning.

index: Option<usize>

The index of the warning. Name++Index must be unique.

message: String

The message of the warning.

links: Vec<String>

The help links to be displayed next to the message.

span: Span

The span of the warning.

Implementations

impl Warning

pub fn new_deprecated<S: Into<String>>(title: S) -> DeprecatedWarningBuilder

Create a new deprecated warning.

Trait Implementations

impl Clone for Warning

fn clone(&self) -> Warning

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Warning

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl From<Warning> for FormattedWarning

fn from(val: Warning) -> Self

Converts to this type from the input type.

impl ToTokens for Warning

fn to_tokens(&self, stream: &mut TokenStream)

Write self to the given TokenStream.

fn to_token_stream(&self) -> TokenStream

Convert self directly into a TokenStream object.

fn into_token_stream(self) -> TokenStream

where Self: Sized,

Convert self directly into a TokenStream object.