Enum envoption::EnvOptionError

pub enum EnvOptionError<T> where
    T: Error,  {
    ParseError(String, T),
    Missing(String),
}

Variants

ParseError(String, T)

An error occurred while parsing the environment variable. This error contains the T::Err type from the parse function.

Missing(String)

The environment variable was missing.

Trait Implementations

impl<T: Debug> Debug for EnvOptionError<T> where
    T: Error, 

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<T: PartialEq> PartialEq for EnvOptionError<T> where
    T: Error, 

fn eq(&self, __arg_0: &EnvOptionError<T>) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, __arg_0: &EnvOptionError<T>) -> bool

This method tests for !=.

impl<T> Display for EnvOptionError<T> where
    T: Error, 

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

Formats the value using the given formatter.

impl<T> Error for EnvOptionError<T> where
    T: Error, 

fn description(&self) -> &str

A short description of the error.

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

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