Enum EnvVarError 

pub enum EnvVarError {
    ReservedKey {
        key: String,
    },
    InvalidKey {
        key: String,
    },
    InvalidKeyStartChar {
        key: String,
    },
}

An error that describes an invalid/reserved key or value in an environment variable.

Variants

ReservedKey

An environment variable key was reserved.

Fields

key: String

The environment variable name.

InvalidKey

An environment variable key is invalid.

Fields

key: String

The environment variable name.

InvalidKeyStartChar

An environment variable key is invalid.

Fields

key: String

The environment variable name.

Trait Implementations

impl Clone for EnvVarError

fn clone(&self) -> EnvVarError

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for EnvVarError

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

Formats the value using the given formatter.

impl Display for EnvVarError

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

Formats the value using the given formatter.

impl Error for EnvVarError

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.

impl Expected for EnvVarError

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

Format an explanation of what data was being expected. Same signature as the Display and Debug traits.