Enum VariableOrPlaceholder 

pub enum VariableOrPlaceholder {
    Placeholder,
    Variable(Variable),
}

Variants

Placeholder

Variable(Variable)

Implementations

impl VariableOrPlaceholder

pub fn into_var(self) -> Option<Variable>

pub fn var(&self) -> Option<&Variable>

Trait Implementations

impl Clone for VariableOrPlaceholder

fn clone(&self) -> VariableOrPlaceholder

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for VariableOrPlaceholder

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

Formats the value using the given formatter.

impl Eq for VariableOrPlaceholder

impl Hash for VariableOrPlaceholder

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 VariableOrPlaceholder

fn eq(&self, other: &VariableOrPlaceholder) -> 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 StructuralPartialEq for VariableOrPlaceholder