Enum PreviewError 

pub enum PreviewError {
    Cache,
    Nsfw,
    Permission,
    SerenityError(Error),
}

Errors that can occur when generating a Discord message preview.

Variants

Cache

Failed to retrieve channel information from cache.

Nsfw

The target channel is marked as NSFW.

Permission

The target channel is private or a private thread.

SerenityError(Error)

An error occurred while communicating with Discord.

Trait Implementations

impl Debug for PreviewError

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

Formats the value using the given formatter.

impl Display for PreviewError

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

Formats the value using the given formatter.

impl Error for PreviewError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl From<Error> for PreviewError

fn from(source: Error) -> Self

Converts to this type from the input type.

impl From<PreviewError> for ExpandError

fn from(source: PreviewError) -> Self

Converts to this type from the input type.