Struct OptionalExpression 

pub struct OptionalExpression {
    pub expression: Box<Expression>,
    pub optional: bool,
}

Optional expression

Fields

expression: Box<Expression>

optional: bool

Trait Implementations

impl Clone for OptionalExpression

fn clone(&self) -> OptionalExpression

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for OptionalExpression

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for OptionalExpression

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for OptionalExpression

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.