Struct tracing_subscriber::filter::FromEnvError

pub struct FromEnvError { /* fields omitted */ }

Indicates that an error occurred while parsing a EnvFilter from an environment variable.

Trait Implementations

impl Debug for FromEnvError

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

Formats the value using the given formatter.

impl Display for FromEnvError

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

Formats the value using the given formatter.

impl Error for FromEnvError

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

The lower-level source of this error, if any.

pub fn backtrace(&self) -> Option<&Backtrace>

🔬 This is a nightly-only experimental API. (backtrace #53487)

Returns a stack backtrace, if available, of where this error occurred.

pub fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

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

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

impl From<ParseError> for FromEnvError

fn from(p: ParseError) -> Self

Performs the conversion.

impl From<VarError> for FromEnvError

fn from(v: VarError) -> Self

Performs the conversion.