Enum edn::query::VariableOrPlaceholder

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

Variants

PlaceholderVariable(Variable)

Methods

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 copy of the value.

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

Performs copy-assignment from source.

impl Debug for VariableOrPlaceholder

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Eq for VariableOrPlaceholder

impl Hash for VariableOrPlaceholder

fn hash<__H: Hasher>(&self, __arg_0: &mut __H)

Feeds this value into the given [Hasher].

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

Feeds a slice of this type into the given [Hasher].

impl PartialEq for VariableOrPlaceholder

fn eq(&self, __arg_0: &VariableOrPlaceholder) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, __arg_0: &VariableOrPlaceholder) -> bool

This method tests for !=.