Enum EnvironmentFileError 

pub enum EnvironmentFileError {
    Io(Error),
    Syntax {
        index: usize,
    },
    Variable,
    Other,
}

Sanitized cause for an explicitly selected dotenv file.

Variants

Io(Error)

The file could not be read.

Syntax

A dotenv line has invalid syntax at the reported character index.

Fields

index: usize

Zero-based character index reported within the invalid line.

Variable

A referenced process variable was unavailable or not valid Unicode.

Other

A future dotenv error kind was returned by the non-exhaustive API.

Trait Implementations

impl Debug for EnvironmentFileError

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

Formats the value using the given formatter.

impl Display for EnvironmentFileError

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

Formats the value using the given formatter.

impl Error for EnvironmentFileError

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.