Enum Optval

pub(crate) enum Optval {
    Val(String),
    Given,
}

Describes whether an option is given at all or has a value.

Variants

Val(String)

Given

Trait Implementations

impl Clone for Optval

fn clone(&self) -> Optval

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Optval

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

Formats the value using the given formatter.

impl PartialEq for Optval

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for Optval

impl StructuralPartialEq for Optval