Enum EnvError 

pub enum EnvError {
    MissingKeys(String),
    InvalidValue {
        key: String,
        msg: String,
    },
    Dotenv(String),
}

Errors returned when loading or querying AppEnvironment.

Variants

MissingKeys(String)

One or more required keys were absent. Carries the comma-joined key list.

InvalidValue

A present key failed to parse. Carries the key and the reason.

Fields

key: String

The offending key.

msg: String

Why its value was rejected.

Dotenv(String)

Dotenv loading or singleton provisioning failed.

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.