pub enum Expression {
Show 13 variants FalseLiteral, NullLiteral, TrueLiteral, IntegerConstant(IntegerConstant), StringConstant(StringConstant), ListLiteral(ListLiteral), SetLiteral(SetLiteral), ListComprehension(ListComprehension), SetComprehension(SetComprehension), Capture(Capture), Variable(Variable), Call(Call), RegexCapture(RegexCapture),
}
Expand description

An expression that can appear in a graph DSL file

Variants§

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FalseLiteral

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NullLiteral

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TrueLiteral

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IntegerConstant(IntegerConstant)

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StringConstant(StringConstant)

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ListLiteral(ListLiteral)

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SetLiteral(SetLiteral)

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ListComprehension(ListComprehension)

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SetComprehension(SetComprehension)

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Capture(Capture)

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Variable(Variable)

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Call(Call)

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RegexCapture(RegexCapture)

Trait Implementations§

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impl Debug for Expression

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

Formats the value using the given formatter. Read more
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impl Display for Expression

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

Formats the value using the given formatter. Read more
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impl From<Call> for Expression

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fn from(expr: Call) -> Expression

Converts to this type from the input type.
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impl From<Capture> for Expression

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fn from(expr: Capture) -> Expression

Converts to this type from the input type.
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impl From<IntegerConstant> for Expression

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fn from(expr: IntegerConstant) -> Expression

Converts to this type from the input type.
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impl From<ListComprehension> for Expression

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fn from(expr: ListComprehension) -> Expression

Converts to this type from the input type.
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impl From<ListLiteral> for Expression

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fn from(expr: ListLiteral) -> Expression

Converts to this type from the input type.
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impl From<RegexCapture> for Expression

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fn from(expr: RegexCapture) -> Expression

Converts to this type from the input type.
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impl From<ScopedVariable> for Expression

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fn from(variable: ScopedVariable) -> Expression

Converts to this type from the input type.
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impl From<SetComprehension> for Expression

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fn from(expr: SetComprehension) -> Expression

Converts to this type from the input type.
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impl From<SetLiteral> for Expression

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fn from(expr: SetLiteral) -> Expression

Converts to this type from the input type.
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impl From<String> for Expression

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fn from(value: String) -> Expression

Converts to this type from the input type.
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impl From<StringConstant> for Expression

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fn from(expr: StringConstant) -> Expression

Converts to this type from the input type.
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impl From<UnscopedVariable> for Expression

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fn from(variable: UnscopedVariable) -> Expression

Converts to this type from the input type.
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impl PartialEq for Expression

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

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for Expression

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impl StructuralPartialEq for Expression

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToString for T
where T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.