Struct Function 

pub struct Function { /* private fields */ }

An ECMAScript function definition.

Distinguishes declarations from expressions only by where the value is used; the structural shape is identical, so both share this type.

Implementations

impl Function

pub fn new( id: Option<Identifier>, params: Vec<Pattern>, body: Vec<Statement>, is_async: bool, is_generator: bool, ) -> Self

Build a function definition.

pub fn id(&self) -> Option<&Identifier>

The function’s name, if any. Function declarations always have one; expressions may be anonymous.

pub fn params(&self) -> &[Pattern]

The formal parameters.

pub fn body(&self) -> &[Statement]

The statements making up the function body.

pub fn is_async(&self) -> bool

Whether the function was declared async.

pub fn is_generator(&self) -> bool

Whether the function was declared a generator (function*).

Trait Implementations

impl Clone for Function

fn clone(&self) -> Function

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Function

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

Formats the value using the given formatter.

impl Display for Function

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

Formats the value using the given formatter.

impl Eq for Function

impl PartialEq for Function

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for Function