Struct rquickjs_core::Function[−][src]

pub struct Function<'js>(_);

Rust representation of a javascript function.

Implementations

`impl<'js> Function<'js>`[src]

`pub fn new<F, A, R>(ctx: Ctx<'js>, func: F) -> Result<Self> where F: AsFunction<'js, A, R> + ParallelSend + 'static,` [src]

`pub fn set_length(&self, len: usize) -> Result<()>`[src]

Set the length property

`pub fn set_name<S: AsRef<str>>(&self, name: S) -> Result<()>`[src]

Set the name property

`pub fn call<A, R>(&self, args: A) -> Result<R> where A: AsArguments<'js>, R: FromJs<'js>,` [src]

Call a function with given arguments

You can use tuples to pass arguments. The () treated as no arguments, the (arg,) as a single argument and so on.

To call function on a given this you can pass This(this) as a first argument. By default an undefined will be passed as this.

`pub fn defer_call<A>(&self, args: A) -> Result<()> where A: AsArguments<'js>,` [src]

Deferred call a function with given arguments

You can use tuples to pass arguments. The () treated as no arguments, the (arg,) as a single argument and so on.

To call function on a given this you can pass This(this) as a first argument. By default an undefined will be passed as this.

`pub fn is_constructor(&self) -> bool`[src]

Check that function is a constructor

`pub fn set_constructor(&self, flag: bool)`[src]

Mark the function as a constructor

`pub fn set_prototype(&self, proto: &Object<'js>)`[src]

Set a function prototype

Actually this method does the following:

func.prototype = proto;
proto.constructor = func;

`pub fn get_prototype(&self) -> Result<Object<'js>>`[src]

Get a function prototype

Actually this method returns the func.prototype.

`pub fn as_object(&self) -> &Object<'js>`[src]

Reference as an object

`pub fn into_object(self) -> Object<'js>`[src]

Convert into an object

`pub fn from_object(object: Object<'js>) -> Result<Self>`[src]

Convert from an object

`impl<'js> Function<'js>`[src]

`pub fn as_value(&self) -> &Value<'js>`[src]

Reference to value

`pub fn into_value(self) -> Value<'js>`[src]

Convert into value

`pub fn from_value(value: Value<'js>) -> Result<Self>`[src]

Convert from value

Methods from Deref<Target = Value<'js>>

`pub fn as_bool(&self) -> Option<bool>`[src]

Try get bool from value

`pub fn as_int(&self) -> Option<i32>`[src]

Try get int from value

`pub fn as_float(&self) -> Option<f64>`[src]

Try get float from value

`pub fn as_number(&self) -> Option<f64>`[src]

Try get any number from value

`pub fn is_bool(&self) -> bool`[src]

Check if the value is a bool

`pub fn is_int(&self) -> bool`[src]

Check if the value is an int

`pub fn is_float(&self) -> bool`[src]

Check if the value is a float

`pub fn is_number(&self) -> bool`[src]

Check if the value is an any number

`pub fn is_string(&self) -> bool`[src]

Check if the value is a string

`pub fn is_symbol(&self) -> bool`[src]

Check if the value is a symbol

`pub fn is_object(&self) -> bool`[src]

Check if the value is an object

`pub fn is_module(&self) -> bool`[src]

Check if the value is a module

`pub fn is_array(&self) -> bool`[src]

Check if the value is an array

`pub fn is_function(&self) -> bool`[src]

Check if the value is a function

`pub fn is_error(&self) -> bool`[src]

Check if the value is an error

`pub fn as_value(&self) -> &Self`[src]

Reference as value

`pub fn get<T: FromJs<'js>>(&self) -> Result<T>`[src]

Convert from value to specified type

`pub fn type_of(&self) -> Type`[src]

Get the type of value

`pub fn type_name(&self) -> &'static str`[src]

Get the name of type