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ConstructorBuilder

boa_engine::object

Struct ConstructorBuilder 

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pub struct ConstructorBuilder<'ctx> { /* private fields */ }
Expand description

Builder for creating constructors objects, like Array.

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impl<'ctx> ConstructorBuilder<'ctx>

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pub fn new( context: &'ctx mut Context, function: NativeFunction, ) -> ConstructorBuilder<'ctx>

Create a new ConstructorBuilder.

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pub fn method<B>( &mut self, function: NativeFunction, binding: B, length: usize, ) -> &mut Self
where B: Into<FunctionBinding>,

Add new method to the constructors prototype.

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pub fn static_method<B>( &mut self, function: NativeFunction, binding: B, length: usize, ) -> &mut Self
where B: Into<FunctionBinding>,

Add new static method to the constructors object itself.

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pub fn property<K, V>( &mut self, key: K, value: V, attribute: Attribute, ) -> &mut Self
where K: Into<PropertyKey>, V: Into<JsValue>,

Add new data property to the constructor’s prototype.

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pub fn static_property<K, V>( &mut self, key: K, value: V, attribute: Attribute, ) -> &mut Self
where K: Into<PropertyKey>, V: Into<JsValue>,

Add new static data property to the constructor object itself.

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pub fn accessor<K>( &mut self, key: K, get: Option<JsFunction>, set: Option<JsFunction>, attribute: Attribute, ) -> &mut Self
where K: Into<PropertyKey>,

Add new accessor property to the constructor’s prototype.

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pub fn static_accessor<K>( &mut self, key: K, get: Option<JsFunction>, set: Option<JsFunction>, attribute: Attribute, ) -> &mut Self
where K: Into<PropertyKey>,

Add new static accessor property to the constructor object itself.

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pub fn property_descriptor<K, P>(&mut self, key: K, property: P) -> &mut Self
where K: Into<PropertyKey>, P: Into<PropertyDescriptor>,

Add new property to the constructor’s prototype.

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pub fn static_property_descriptor<K, P>( &mut self, key: K, property: P, ) -> &mut Self
where K: Into<PropertyKey>, P: Into<PropertyDescriptor>,

Add new static property to the constructor object itself.

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pub fn length(&mut self, length: usize) -> &mut Self

Specify how many arguments the constructor function takes.

Default is 0.

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pub fn name<N>(&mut self, name: N) -> &mut Self
where N: AsRef<str>,

Specify the name of the constructor function.

Default is "[object]"

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pub fn callable(&mut self, callable: bool) -> &mut Self

Specify whether the constructor function can be called.

Default is true

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pub fn constructor(&mut self, constructor: bool) -> &mut Self

Specify whether the constructor function can be called with new keyword.

Default is true

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pub fn inherit<O: Into<JsPrototype>>(&mut self, prototype: O) -> &mut Self

Specify the parent prototype which objects created by this constructor inherit from.

Default is Object.prototype

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pub fn custom_prototype<O: Into<JsPrototype>>( &mut self, prototype: O, ) -> &mut Self

Specify the [[Prototype]] internal field of this constructor.

Default is Function.prototype

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pub fn has_prototype_property( &mut self, has_prototype_property: bool, ) -> &mut Self

Specify whether the constructor function has a ‘prototype’ property.

Default is true

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pub fn context(&mut self) -> &mut Context

Return the current context.

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pub fn build(self) -> StandardConstructor

Build the constructor function object.

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impl<'ctx> Debug for ConstructorBuilder<'ctx>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<'ctx> !RefUnwindSafe for ConstructorBuilder<'ctx>

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impl<'ctx> !Send for ConstructorBuilder<'ctx>

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impl<'ctx> !Sync for ConstructorBuilder<'ctx>

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impl<'ctx> !UnwindSafe for ConstructorBuilder<'ctx>

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impl<'ctx> Freeze for ConstructorBuilder<'ctx>

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impl<'ctx> Unpin for ConstructorBuilder<'ctx>

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impl<'ctx> UnsafeUnpin for ConstructorBuilder<'ctx>

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> Conv for T

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fn conv<T>(self) -> T
where Self: Into<T>,

Converts self into T using Into<T>. Read more
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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pipe for T
where T: ?Sized,

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fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
where Self: Sized,

Pipes by value. This is generally the method you want to use. Read more
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fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R
where R: 'a,

Borrows self and passes that borrow into the pipe function. Read more
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fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R
where R: 'a,

Mutably borrows self and passes that borrow into the pipe function. Read more
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fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R
where Self: Borrow<B>, B: 'a + ?Sized, R: 'a,

Borrows self, then passes self.borrow() into the pipe function. Read more
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fn pipe_borrow_mut<'a, B, R>( &'a mut self, func: impl FnOnce(&'a mut B) -> R, ) -> R
where Self: BorrowMut<B>, B: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more
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fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R
where Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.
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fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R
where Self: AsMut<U>, U: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function.
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fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R
where Self: Deref<Target = T>, T: 'a + ?Sized, R: 'a,

Borrows self, then passes self.deref() into the pipe function.
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fn pipe_deref_mut<'a, T, R>( &'a mut self, func: impl FnOnce(&'a mut T) -> R, ) -> R
where Self: DerefMut<Target = T> + Deref, T: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function.
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impl<T> Tap for T

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fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more
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fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more
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fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Immutable access to the Borrow<B> of a value. Read more
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fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Mutable access to the BorrowMut<B> of a value. Read more
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fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Immutable access to the AsRef<R> view of a value. Read more
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fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Mutable access to the AsMut<R> view of a value. Read more
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fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Immutable access to the Deref::Target of a value. Read more
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fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Mutable access to the Deref::Target of a value. Read more
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fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.
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fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds.
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fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds.
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fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds.
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fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds.
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fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds.
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fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds.
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fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds.
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impl<T> TryConv for T

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fn try_conv<T>(self) -> Result<T, Self::Error>
where Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.