Enum EnvError 

pub enum EnvError {
    InvalidValue {
        var: String,
        expected: String,
        value: String,
    },
    PathNotFound {
        var: String,
        path: PathBuf,
    },
    InvalidDuration {
        var: String,
        value: String,
    },
    OutOfRange {
        var: String,
        value: String,
        min: String,
        max: String,
    },
    InvalidLogLevel {
        var: String,
        value: String,
    },
}

Errors that can occur during environment variable parsing.

Variants

InvalidValue

Invalid value for a variable.

Fields

var: String

expected: String

value: String

PathNotFound

Path does not exist.

Fields

var: String

path: PathBuf

InvalidDuration

Invalid duration format.

Fields

var: String

value: String

OutOfRange

Value out of valid range.

Fields

var: String

value: String

min: String

max: String

InvalidLogLevel

Invalid log level.

Fields

var: String

value: String

Trait Implementations

impl Debug for EnvError

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

Formats the value using the given formatter.

impl Display for EnvError

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

Formats the value using the given formatter.

impl Error for EnvError

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.