Enum boa::builtins::function::Function

pub enum Function {
    Native {
        function: BuiltInFunction,
        constructable: bool,
    },
    Closure {
        function: Box<dyn ClosureFunction>,
        constructable: bool,
        captures: Captures,
    },
    Ordinary {
        flags: FunctionFlags,
        body: RcStatementList,
        params: Box<[FormalParameter]>,
        environment: Environment,
    },
}

Boa representation of a Function Object.

FunctionBody is specific to this interpreter, it will either be Rust code or JavaScript code (AST Node)

https://tc39.es/ecma262/#sec-ecmascript-function-objects

Variants

Native

Fields of Native

function: BuiltInFunctionconstructable: bool

Closure

Fields of Closure

function: Box<dyn ClosureFunction>constructable: boolcaptures: Captures

Ordinary

Fields of Ordinary

flags: FunctionFlagsbody: RcStatementListparams: Box<[FormalParameter]>environment: Environment

Implementations

impl Function

pub fn is_constructable(&self) -> bool

Returns true if the function object is constructable.

Trait Implementations

impl Clone for Function

fn clone(&self) -> Function

Returns a copy 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 Drop for Function

fn drop(&mut self)

Executes the destructor for this type.

impl Finalize for Function

fn finalize(&self)

impl Trace for Function

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