Enum TestExpr 

pub enum TestExpr {
    False,
    Literal(String),
    And(Box<Self>, Box<Self>),
    Or(Box<Self>, Box<Self>),
    Not(Box<Self>),
    Parenthesized(Box<Self>),
    UnaryTest(UnaryPredicate, String),
    BinaryTest(BinaryPredicate, String, String),
}

A (non-extended) test expression.

Variants

False

Always evaluates to false.

Literal(String)

A literal string.

And(Box<Self>, Box<Self>)

Logical AND operation on two nested expressions.

Or(Box<Self>, Box<Self>)

Logical OR operation on two nested expressions.

Not(Box<Self>)

Logical NOT operation on a nested expression.

Parenthesized(Box<Self>)

A parenthesized expression.

UnaryTest(UnaryPredicate, String)

A unary test operation.

BinaryTest(BinaryPredicate, String, String)

A binary test operation.

Trait Implementations

impl Clone for TestExpr

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TestExpr

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for TestExpr

Available on crate features serde only.

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for TestExpr

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

Formats the value using the given formatter.

impl Eq for TestExpr

Available on crate features serde only.

impl Node for TestExpr

impl PartialEq for TestExpr

Available on crate features serde only.

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

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for TestExpr

Available on crate features serde only.

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl SourceLocation for TestExpr

fn location(&self) -> Option<SourceSpan>

The location of the syntax item, when known

impl StructuralPartialEq for TestExpr

Available on crate features serde only.