Enum boa::syntax::ast::node::declaration::Declaration

pub enum Declaration {
    Identifier {
        ident: Identifier,
        init: Option<Node>,
    },
    Pattern(DeclarationPattern),
}

Declaration represents either an individual binding or a binding pattern.

For let and const declarations this type represents a LexicalBinding

For var declarations this type represents a VariableDeclaration

More information:

• ECMAScript reference: 14.3 Declarations and the Variable Statement

Variants

Identifier

Fields of Identifier

ident: Identifierinit: Option<Node>

Pattern(DeclarationPattern)

Tuple Fields of Pattern

0: DeclarationPattern

Trait Implementations

impl Clone for Declaration

fn clone(&self) -> Declaration

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Declaration

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

Formats the value using the given formatter.

impl Display for Declaration

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

Formats the value using the given formatter.

impl Drop for Declaration

fn drop(&mut self)

Executes the destructor for this type.

impl Finalize for Declaration

fn finalize(&self)

impl From<Declaration> for Box<[Declaration]>

fn from(d: Declaration) -> Self

Performs the conversion.

impl PartialEq<Declaration> for Declaration

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl Trace for Declaration

unsafe fn trace(&self)

Marks all contained Gcs.

unsafe fn root(&self)

Increments the root-count of all contained Gcs.

unsafe fn unroot(&self)

Decrements the root-count of all contained Gcs.

fn finalize_glue(&self)

Runs Finalize::finalize() on this object and all contained subobjects

impl StructuralPartialEq for Declaration