Enum SubstitutionOutcome 

pub enum SubstitutionOutcome {
    Environment,
    Default,
    Alternative,
    Empty,
    Missing,
    RequiredMissing,
}

How one expression contributed to the resolved value.

Variants

Environment

An environment value was inserted.

Default

A default operand was inserted.

Alternative

An alternative operand was inserted.

Empty

The expression intentionally produced an empty string.

Missing

A direct variable was unset.

RequiredMissing

A required variable was unset or empty.

Trait Implementations

impl Clone for SubstitutionOutcome

fn clone(&self) -> SubstitutionOutcome

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for SubstitutionOutcome

impl Debug for SubstitutionOutcome

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

Formats the value using the given formatter.

impl Eq for SubstitutionOutcome

impl Hash for SubstitutionOutcome

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for SubstitutionOutcome

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for SubstitutionOutcome