Struct PrefixExpr 

pub struct PrefixExpr { /* private fields */ }

A PrefixExpr node (family.ungram rule PrefixExpr).

Implementations

impl PrefixExpr

pub fn operand(&self) -> Option<Expr>

pub fn bang_token(&self) -> Option<SyntaxToken>

pub fn minus_token(&self) -> Option<SyntaxToken>

impl PrefixExpr

pub fn op_token(&self) -> Option<SyntaxToken>

The prefix operator — ! or -.

Trait Implementations

impl AstNode for PrefixExpr

fn cast(syntax: SyntaxNode) -> Option<Self>

Wraps syntax if its kind matches this type; None otherwise.

fn syntax(&self) -> &SyntaxNode

The underlying untyped node.

impl Clone for PrefixExpr

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 PrefixExpr

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

Formats the value using the given formatter.

impl Eq for PrefixExpr

impl Hash for PrefixExpr

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for PrefixExpr

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for PrefixExpr