Enum EnvironmentValue 

#[non_exhaustive]
pub enum EnvironmentValue {
    Literal(ProtectedString),
    Host,
    Unset,
}

Source of an environment variable’s value.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Literal(ProtectedString)

A literal plain or sensitive value.

Host

Resolve the value from an explicit caller-provided host environment provider.

Unset

Ensure the variable is absent.

Trait Implementations

impl Clone for EnvironmentValue

fn clone(&self) -> EnvironmentValue

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for EnvironmentValue

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

Formats the value using the given formatter.

impl Eq for EnvironmentValue

impl PartialEq for EnvironmentValue

fn eq(&self, other: &EnvironmentValue) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for EnvironmentValue