Enum Expression 

pub enum Expression {
    FalseLiteral,
    NullLiteral,
    TrueLiteral,
    IntegerConstant(IntegerConstant),
    StringConstant(StringConstant),
    ListLiteral(ListLiteral),
    SetLiteral(SetLiteral),
    ListComprehension(ListComprehension),
    SetComprehension(SetComprehension),
    Capture(Capture),
    Variable(Variable),
    Call(Call),
    RegexCapture(RegexCapture),
}

An expression that can appear in a graph DSL file

Variants

FalseLiteral

NullLiteral

TrueLiteral

IntegerConstant(IntegerConstant)

StringConstant(StringConstant)

ListLiteral(ListLiteral)

SetLiteral(SetLiteral)

ListComprehension(ListComprehension)

SetComprehension(SetComprehension)

Capture(Capture)

Variable(Variable)

Call(Call)

RegexCapture(RegexCapture)

Trait Implementations

impl Debug for Expression

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

Formats the value using the given formatter.

impl Display for Expression

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

Formats the value using the given formatter.

impl From<Call> for Expression

fn from(expr: Call) -> Expression

Converts to this type from the input type.

impl From<Capture> for Expression

fn from(expr: Capture) -> Expression

Converts to this type from the input type.

impl From<IntegerConstant> for Expression

fn from(expr: IntegerConstant) -> Expression

Converts to this type from the input type.

impl From<ListComprehension> for Expression

fn from(expr: ListComprehension) -> Expression

Converts to this type from the input type.

impl From<ListLiteral> for Expression

fn from(expr: ListLiteral) -> Expression

Converts to this type from the input type.

impl From<RegexCapture> for Expression

fn from(expr: RegexCapture) -> Expression

Converts to this type from the input type.

impl From<ScopedVariable> for Expression

fn from(variable: ScopedVariable) -> Expression

Converts to this type from the input type.

impl From<SetComprehension> for Expression

fn from(expr: SetComprehension) -> Expression

Converts to this type from the input type.

impl From<SetLiteral> for Expression

fn from(expr: SetLiteral) -> Expression

Converts to this type from the input type.

impl From<String> for Expression

fn from(value: String) -> Expression

Converts to this type from the input type.

impl From<StringConstant> for Expression

fn from(expr: StringConstant) -> Expression

Converts to this type from the input type.

impl From<UnscopedVariable> for Expression

fn from(variable: UnscopedVariable) -> Expression

Converts to this type from the input type.

impl PartialEq for Expression

fn eq(&self, other: &Expression) -> 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 Expression

impl StructuralPartialEq for Expression