Enum TestExpr 

pub enum TestExpr {
    False,
    Literal(String),
    And(Box<TestExpr>, Box<TestExpr>),
    Or(Box<TestExpr>, Box<TestExpr>),
    Not(Box<TestExpr>),
    Parenthesized(Box<TestExpr>),
    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<TestExpr>, Box<TestExpr>)

Logical AND operation on two nested expressions.

Or(Box<TestExpr>, Box<TestExpr>)

Logical OR operation on two nested expressions.

Not(Box<TestExpr>)

Logical NOT operation on a nested expression.

Parenthesized(Box<TestExpr>)

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) -> TestExpr

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<(), Error>

Formats the value using the given formatter.

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

fn deserialize<__D>( __deserializer: __D, ) -> Result<TestExpr, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for TestExpr

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

Formats the value using the given formatter.

impl Eq for TestExpr

impl Node for TestExpr

impl PartialEq for TestExpr

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for TestExpr

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