Struct web_sys::MouseScrollEvent

#[repr(transparent)]
pub struct MouseScrollEvent { /* fields omitted */ }

The MouseScrollEvent object

MDN Documentation

This API requires the following crate features to be activated: MouseScrollEvent

Methods

impl MouseScrollEvent

pub fn init_mouse_scroll_event(&self, type_: &str)

The initMouseScrollEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseScrollEvent

impl MouseScrollEvent

pub fn init_mouse_scroll_event_with_can_bubble(
    &self,
    type_: &str,
    can_bubble: bool
)

The initMouseScrollEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseScrollEvent

impl MouseScrollEvent

pub fn init_mouse_scroll_event_with_can_bubble_and_cancelable(
    &self,
    type_: &str,
    can_bubble: bool,
    cancelable: bool
)

The initMouseScrollEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseScrollEvent

impl MouseScrollEvent

pub fn init_mouse_scroll_event_with_can_bubble_and_cancelable_and_view(
    &self,
    type_: &str,
    can_bubble: bool,
    cancelable: bool,
    view: Option<&Window>
)

The initMouseScrollEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseScrollEvent, Window

impl MouseScrollEvent

pub fn init_mouse_scroll_event_with_can_bubble_and_cancelable_and_view_and_detail(
    &self,
    type_: &str,
    can_bubble: bool,
    cancelable: bool,
    view: Option<&Window>,
    detail: i32
)

The initMouseScrollEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseScrollEvent, Window

impl MouseScrollEvent

pub fn init_mouse_scroll_event_with_can_bubble_and_cancelable_and_view_and_detail_and_screen_x(
    &self,
    type_: &str,
    can_bubble: bool,
    cancelable: bool,
    view: Option<&Window>,
    detail: i32,
    screen_x: i32
)

The initMouseScrollEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseScrollEvent, Window

impl MouseScrollEvent

pub fn init_mouse_scroll_event_with_can_bubble_and_cancelable_and_view_and_detail_and_screen_x_and_screen_y(
    &self,
    type_: &str,
    can_bubble: bool,
    cancelable: bool,
    view: Option<&Window>,
    detail: i32,
    screen_x: i32,
    screen_y: i32
)

The initMouseScrollEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseScrollEvent, Window

impl MouseScrollEvent

pub fn init_mouse_scroll_event_with_can_bubble_and_cancelable_and_view_and_detail_and_screen_x_and_screen_y_and_client_x(
    &self,
    type_: &str,
    can_bubble: bool,
    cancelable: bool,
    view: Option<&Window>,
    detail: i32,
    screen_x: i32,
    screen_y: i32,
    client_x: i32
)

The initMouseScrollEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseScrollEvent, Window

impl MouseScrollEvent

pub fn init_mouse_scroll_event_with_can_bubble_and_cancelable_and_view_and_detail_and_screen_x_and_screen_y_and_client_x_and_client_y(
    &self,
    type_: &str,
    can_bubble: bool,
    cancelable: bool,
    view: Option<&Window>,
    detail: i32,
    screen_x: i32,
    screen_y: i32,
    client_x: i32,
    client_y: i32
)

The initMouseScrollEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseScrollEvent, Window

impl MouseScrollEvent

pub fn init_mouse_scroll_event_with_can_bubble_and_cancelable_and_view_and_detail_and_screen_x_and_screen_y_and_client_x_and_client_y_and_ctrl_key(
    &self,
    type_: &str,
    can_bubble: bool,
    cancelable: bool,
    view: Option<&Window>,
    detail: i32,
    screen_x: i32,
    screen_y: i32,
    client_x: i32,
    client_y: i32,
    ctrl_key: bool
)

The initMouseScrollEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseScrollEvent, Window

impl MouseScrollEvent

pub fn init_mouse_scroll_event_with_can_bubble_and_cancelable_and_view_and_detail_and_screen_x_and_screen_y_and_client_x_and_client_y_and_ctrl_key_and_alt_key(
    &self,
    type_: &str,
    can_bubble: bool,
    cancelable: bool,
    view: Option<&Window>,
    detail: i32,
    screen_x: i32,
    screen_y: i32,
    client_x: i32,
    client_y: i32,
    ctrl_key: bool,
    alt_key: bool
)

The initMouseScrollEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseScrollEvent, Window

impl MouseScrollEvent

pub fn init_mouse_scroll_event_with_can_bubble_and_cancelable_and_view_and_detail_and_screen_x_and_screen_y_and_client_x_and_client_y_and_ctrl_key_and_alt_key_and_shift_key(
    &self,
    type_: &str,
    can_bubble: bool,
    cancelable: bool,
    view: Option<&Window>,
    detail: i32,
    screen_x: i32,
    screen_y: i32,
    client_x: i32,
    client_y: i32,
    ctrl_key: bool,
    alt_key: bool,
    shift_key: bool
)

The initMouseScrollEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseScrollEvent, Window

impl MouseScrollEvent

pub fn init_mouse_scroll_event_with_can_bubble_and_cancelable_and_view_and_detail_and_screen_x_and_screen_y_and_client_x_and_client_y_and_ctrl_key_and_alt_key_and_shift_key_and_meta_key(
    &self,
    type_: &str,
    can_bubble: bool,
    cancelable: bool,
    view: Option<&Window>,
    detail: i32,
    screen_x: i32,
    screen_y: i32,
    client_x: i32,
    client_y: i32,
    ctrl_key: bool,
    alt_key: bool,
    shift_key: bool,
    meta_key: bool
)

The initMouseScrollEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseScrollEvent, Window

impl MouseScrollEvent

pub fn init_mouse_scroll_event_with_can_bubble_and_cancelable_and_view_and_detail_and_screen_x_and_screen_y_and_client_x_and_client_y_and_ctrl_key_and_alt_key_and_shift_key_and_meta_key_and_button(
    &self,
    type_: &str,
    can_bubble: bool,
    cancelable: bool,
    view: Option<&Window>,
    detail: i32,
    screen_x: i32,
    screen_y: i32,
    client_x: i32,
    client_y: i32,
    ctrl_key: bool,
    alt_key: bool,
    shift_key: bool,
    meta_key: bool,
    button: i16
)

The initMouseScrollEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseScrollEvent, Window

impl MouseScrollEvent

pub fn init_mouse_scroll_event_with_can_bubble_and_cancelable_and_view_and_detail_and_screen_x_and_screen_y_and_client_x_and_client_y_and_ctrl_key_and_alt_key_and_shift_key_and_meta_key_and_button_and_related_target(
    &self,
    type_: &str,
    can_bubble: bool,
    cancelable: bool,
    view: Option<&Window>,
    detail: i32,
    screen_x: i32,
    screen_y: i32,
    client_x: i32,
    client_y: i32,
    ctrl_key: bool,
    alt_key: bool,
    shift_key: bool,
    meta_key: bool,
    button: i16,
    related_target: Option<&EventTarget>
)

The initMouseScrollEvent() method

MDN Documentation

This API requires the following crate features to be activated: EventTarget, MouseScrollEvent, Window

impl MouseScrollEvent

pub fn init_mouse_scroll_event_with_can_bubble_and_cancelable_and_view_and_detail_and_screen_x_and_screen_y_and_client_x_and_client_y_and_ctrl_key_and_alt_key_and_shift_key_and_meta_key_and_button_and_related_target_and_axis(
    &self,
    type_: &str,
    can_bubble: bool,
    cancelable: bool,
    view: Option<&Window>,
    detail: i32,
    screen_x: i32,
    screen_y: i32,
    client_x: i32,
    client_y: i32,
    ctrl_key: bool,
    alt_key: bool,
    shift_key: bool,
    meta_key: bool,
    button: i16,
    related_target: Option<&EventTarget>,
    axis: i32
)

The initMouseScrollEvent() method

MDN Documentation

This API requires the following crate features to be activated: EventTarget, MouseScrollEvent, Window

impl MouseScrollEvent

pub fn axis(&self) -> i32

The axis getter

MDN Documentation

This API requires the following crate features to be activated: MouseScrollEvent

impl MouseScrollEvent

pub const HORIZONTAL_AXIS: i32

impl MouseScrollEvent

pub const VERTICAL_AXIS: i32

Methods from Deref<Target = MouseEvent>

pub fn get_modifier_state(&self, key_arg: &str) -> bool

The getModifierState() method

MDN Documentation

This API requires the following crate features to be activated: MouseEvent

pub fn init_mouse_event(&self, type_arg: &str)

The initMouseEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseEvent

pub fn init_mouse_event_with_can_bubble_arg(
    &self,
    type_arg: &str,
    can_bubble_arg: bool
)

The initMouseEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseEvent

pub fn init_mouse_event_with_can_bubble_arg_and_cancelable_arg(
    &self,
    type_arg: &str,
    can_bubble_arg: bool,
    cancelable_arg: bool
)

The initMouseEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseEvent

pub fn init_mouse_event_with_can_bubble_arg_and_cancelable_arg_and_view_arg(
    &self,
    type_arg: &str,
    can_bubble_arg: bool,
    cancelable_arg: bool,
    view_arg: Option<&Window>
)

The initMouseEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseEvent, Window

pub fn init_mouse_event_with_can_bubble_arg_and_cancelable_arg_and_view_arg_and_detail_arg(
    &self,
    type_arg: &str,
    can_bubble_arg: bool,
    cancelable_arg: bool,
    view_arg: Option<&Window>,
    detail_arg: i32
)

The initMouseEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseEvent, Window

pub fn init_mouse_event_with_can_bubble_arg_and_cancelable_arg_and_view_arg_and_detail_arg_and_screen_x_arg(
    &self,
    type_arg: &str,
    can_bubble_arg: bool,
    cancelable_arg: bool,
    view_arg: Option<&Window>,
    detail_arg: i32,
    screen_x_arg: i32
)

The initMouseEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseEvent, Window

pub fn init_mouse_event_with_can_bubble_arg_and_cancelable_arg_and_view_arg_and_detail_arg_and_screen_x_arg_and_screen_y_arg(
    &self,
    type_arg: &str,
    can_bubble_arg: bool,
    cancelable_arg: bool,
    view_arg: Option<&Window>,
    detail_arg: i32,
    screen_x_arg: i32,
    screen_y_arg: i32
)

The initMouseEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseEvent, Window

pub fn init_mouse_event_with_can_bubble_arg_and_cancelable_arg_and_view_arg_and_detail_arg_and_screen_x_arg_and_screen_y_arg_and_client_x_arg(
    &self,
    type_arg: &str,
    can_bubble_arg: bool,
    cancelable_arg: bool,
    view_arg: Option<&Window>,
    detail_arg: i32,
    screen_x_arg: i32,
    screen_y_arg: i32,
    client_x_arg: i32
)

The initMouseEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseEvent, Window

pub fn init_mouse_event_with_can_bubble_arg_and_cancelable_arg_and_view_arg_and_detail_arg_and_screen_x_arg_and_screen_y_arg_and_client_x_arg_and_client_y_arg(
    &self,
    type_arg: &str,
    can_bubble_arg: bool,
    cancelable_arg: bool,
    view_arg: Option<&Window>,
    detail_arg: i32,
    screen_x_arg: i32,
    screen_y_arg: i32,
    client_x_arg: i32,
    client_y_arg: i32
)

The initMouseEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseEvent, Window

pub fn init_mouse_event_with_can_bubble_arg_and_cancelable_arg_and_view_arg_and_detail_arg_and_screen_x_arg_and_screen_y_arg_and_client_x_arg_and_client_y_arg_and_ctrl_key_arg(
    &self,
    type_arg: &str,
    can_bubble_arg: bool,
    cancelable_arg: bool,
    view_arg: Option<&Window>,
    detail_arg: i32,
    screen_x_arg: i32,
    screen_y_arg: i32,
    client_x_arg: i32,
    client_y_arg: i32,
    ctrl_key_arg: bool
)

The initMouseEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseEvent, Window

pub fn init_mouse_event_with_can_bubble_arg_and_cancelable_arg_and_view_arg_and_detail_arg_and_screen_x_arg_and_screen_y_arg_and_client_x_arg_and_client_y_arg_and_ctrl_key_arg_and_alt_key_arg(
    &self,
    type_arg: &str,
    can_bubble_arg: bool,
    cancelable_arg: bool,
    view_arg: Option<&Window>,
    detail_arg: i32,
    screen_x_arg: i32,
    screen_y_arg: i32,
    client_x_arg: i32,
    client_y_arg: i32,
    ctrl_key_arg: bool,
    alt_key_arg: bool
)

The initMouseEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseEvent, Window

pub fn init_mouse_event_with_can_bubble_arg_and_cancelable_arg_and_view_arg_and_detail_arg_and_screen_x_arg_and_screen_y_arg_and_client_x_arg_and_client_y_arg_and_ctrl_key_arg_and_alt_key_arg_and_shift_key_arg(
    &self,
    type_arg: &str,
    can_bubble_arg: bool,
    cancelable_arg: bool,
    view_arg: Option<&Window>,
    detail_arg: i32,
    screen_x_arg: i32,
    screen_y_arg: i32,
    client_x_arg: i32,
    client_y_arg: i32,
    ctrl_key_arg: bool,
    alt_key_arg: bool,
    shift_key_arg: bool
)

The initMouseEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseEvent, Window

pub fn init_mouse_event_with_can_bubble_arg_and_cancelable_arg_and_view_arg_and_detail_arg_and_screen_x_arg_and_screen_y_arg_and_client_x_arg_and_client_y_arg_and_ctrl_key_arg_and_alt_key_arg_and_shift_key_arg_and_meta_key_arg(
    &self,
    type_arg: &str,
    can_bubble_arg: bool,
    cancelable_arg: bool,
    view_arg: Option<&Window>,
    detail_arg: i32,
    screen_x_arg: i32,
    screen_y_arg: i32,
    client_x_arg: i32,
    client_y_arg: i32,
    ctrl_key_arg: bool,
    alt_key_arg: bool,
    shift_key_arg: bool,
    meta_key_arg: bool
)

The initMouseEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseEvent, Window

pub fn init_mouse_event_with_can_bubble_arg_and_cancelable_arg_and_view_arg_and_detail_arg_and_screen_x_arg_and_screen_y_arg_and_client_x_arg_and_client_y_arg_and_ctrl_key_arg_and_alt_key_arg_and_shift_key_arg_and_meta_key_arg_and_button_arg(
    &self,
    type_arg: &str,
    can_bubble_arg: bool,
    cancelable_arg: bool,
    view_arg: Option<&Window>,
    detail_arg: i32,
    screen_x_arg: i32,
    screen_y_arg: i32,
    client_x_arg: i32,
    client_y_arg: i32,
    ctrl_key_arg: bool,
    alt_key_arg: bool,
    shift_key_arg: bool,
    meta_key_arg: bool,
    button_arg: i16
)

The initMouseEvent() method

MDN Documentation

This API requires the following crate features to be activated: MouseEvent, Window

pub fn init_mouse_event_with_can_bubble_arg_and_cancelable_arg_and_view_arg_and_detail_arg_and_screen_x_arg_and_screen_y_arg_and_client_x_arg_and_client_y_arg_and_ctrl_key_arg_and_alt_key_arg_and_shift_key_arg_and_meta_key_arg_and_button_arg_and_related_target_arg(
    &self,
    type_arg: &str,
    can_bubble_arg: bool,
    cancelable_arg: bool,
    view_arg: Option<&Window>,
    detail_arg: i32,
    screen_x_arg: i32,
    screen_y_arg: i32,
    client_x_arg: i32,
    client_y_arg: i32,
    ctrl_key_arg: bool,
    alt_key_arg: bool,
    shift_key_arg: bool,
    meta_key_arg: bool,
    button_arg: i16,
    related_target_arg: Option<&EventTarget>
)

The initMouseEvent() method

MDN Documentation

This API requires the following crate features to be activated: EventTarget, MouseEvent, Window

pub fn screen_x(&self) -> i32

The screenX getter

MDN Documentation

This API requires the following crate features to be activated: MouseEvent

pub fn screen_y(&self) -> i32

The screenY getter

MDN Documentation

This API requires the following crate features to be activated: MouseEvent

pub fn client_x(&self) -> i32

The clientX getter

MDN Documentation

This API requires the following crate features to be activated: MouseEvent

pub fn client_y(&self) -> i32

The clientY getter

MDN Documentation

This API requires the following crate features to be activated: MouseEvent

pub fn x(&self) -> i32

The x getter

MDN Documentation

This API requires the following crate features to be activated: MouseEvent

pub fn y(&self) -> i32

The y getter

MDN Documentation

This API requires the following crate features to be activated: MouseEvent

pub fn offset_x(&self) -> i32

The offsetX getter

MDN Documentation

This API requires the following crate features to be activated: MouseEvent

pub fn offset_y(&self) -> i32

The offsetY getter

MDN Documentation

This API requires the following crate features to be activated: MouseEvent

pub fn ctrl_key(&self) -> bool

The ctrlKey getter

MDN Documentation

This API requires the following crate features to be activated: MouseEvent

pub fn shift_key(&self) -> bool

The shiftKey getter

MDN Documentation

This API requires the following crate features to be activated: MouseEvent

pub fn alt_key(&self) -> bool

The altKey getter

MDN Documentation

This API requires the following crate features to be activated: MouseEvent

pub fn meta_key(&self) -> bool

The metaKey getter

MDN Documentation

This API requires the following crate features to be activated: MouseEvent

pub fn button(&self) -> i16

The button getter

MDN Documentation

This API requires the following crate features to be activated: MouseEvent

pub fn buttons(&self) -> u16

The buttons getter

MDN Documentation

This API requires the following crate features to be activated: MouseEvent

pub fn related_target(&self) -> Option<EventTarget>

The relatedTarget getter

MDN Documentation

This API requires the following crate features to be activated: EventTarget, MouseEvent

pub fn region(&self) -> Option<String>

The region getter

MDN Documentation

This API requires the following crate features to be activated: MouseEvent

pub fn movement_x(&self) -> i32

The movementX getter

MDN Documentation

This API requires the following crate features to be activated: MouseEvent

pub fn movement_y(&self) -> i32

The movementY getter

MDN Documentation

This API requires the following crate features to be activated: MouseEvent

Trait Implementations

impl Clone for MouseScrollEvent

fn clone(&self) -> MouseScrollEvent

Returns a copy of the value.

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

Performs copy-assignment from source.

impl AsRef<JsValue> for MouseScrollEvent

fn as_ref(&self) -> &JsValue

Performs the conversion.

impl AsRef<MouseEvent> for MouseScrollEvent

fn as_ref(&self) -> &MouseEvent

Performs the conversion.

impl AsRef<UiEvent> for MouseScrollEvent

fn as_ref(&self) -> &UiEvent

Performs the conversion.

impl AsRef<Event> for MouseScrollEvent

fn as_ref(&self) -> &Event

Performs the conversion.

impl AsRef<Object> for MouseScrollEvent

fn as_ref(&self) -> &Object

Performs the conversion.

impl From<JsValue> for MouseScrollEvent

fn from(obj: JsValue) -> MouseScrollEvent

Performs the conversion.

impl From<MouseScrollEvent> for JsValue

fn from(obj: MouseScrollEvent) -> JsValue

Performs the conversion.

impl From<MouseScrollEvent> for MouseEvent

fn from(obj: MouseScrollEvent) -> MouseEvent

Performs the conversion.

impl From<MouseScrollEvent> for UiEvent

fn from(obj: MouseScrollEvent) -> UiEvent

Performs the conversion.

impl From<MouseScrollEvent> for Event

fn from(obj: MouseScrollEvent) -> Event

Performs the conversion.

impl From<MouseScrollEvent> for Object

fn from(obj: MouseScrollEvent) -> Object

Performs the conversion.

impl Deref for MouseScrollEvent

type Target = MouseEvent

The resulting type after dereferencing.

fn deref(&self) -> &MouseEvent

Dereferences the value.

impl Debug for MouseScrollEvent

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

Formats the value using the given formatter.

impl JsCast for MouseScrollEvent

fn instanceof(val: &JsValue) -> bool

Performs a dynamic instanceof check to see whether the JsValue provided is an instance of this type.

fn unchecked_from_js(val: JsValue) -> Self

Performs a zero-cost unchecked conversion from a JsValue into an instance of Self

fn unchecked_from_js_ref(val: &JsValue) -> &Self

Performs a zero-cost unchecked conversion from a &JsValue into an instance of &Self.

default fn is_instance_of<T>(&self) -> bool where
    T: JsCast, 

Test whether this JS value is an instance of the type T.

default fn dyn_into<T>(self) -> Result<T, Self> where
    T: JsCast, 

Performs a dynamic cast (checked at runtime) of this value into the target type T.

default fn dyn_ref<T>(&self) -> Option<&T> where
    T: JsCast, 

Performs a dynamic cast (checked at runtime) of this value into the target type T.

default fn unchecked_into<T>(self) -> T where
    T: JsCast, 

Performs a zero-cost unchecked cast into the specified type.

default fn unchecked_ref<T>(&self) -> &T where
    T: JsCast, 

Performs a zero-cost unchecked cast into a reference to the specified type.

impl RefFromWasmAbi for MouseScrollEvent

type Abi = <JsValue as RefFromWasmAbi>::Abi

The wasm ABI type references to Self are recovered from.

type Anchor = ManuallyDrop<MouseScrollEvent>

The type that holds the reference to Self for the duration of the invocation of the function that has an &Self parameter. This is required to ensure that the lifetimes don't persist beyond one function call, and so that they remain anonymous.

unsafe fn ref_from_abi(js: Self::Abi, extra: &mut dyn Stack) -> Self::Anchor

Recover a Self::Anchor from Self::Abi.

impl IntoWasmAbi for MouseScrollEvent

type Abi = <JsValue as IntoWasmAbi>::Abi

The wasm ABI type that this converts into when crossing the ABI boundary.

fn into_abi(self, extra: &mut dyn Stack) -> Self::Abi

Convert self into Self::Abi so that it can be sent across the wasm ABI boundary.

impl<'a> IntoWasmAbi for &'a MouseScrollEvent

type Abi = <&'a JsValue as IntoWasmAbi>::Abi

The wasm ABI type that this converts into when crossing the ABI boundary.

fn into_abi(self, extra: &mut dyn Stack) -> Self::Abi

Convert self into Self::Abi so that it can be sent across the wasm ABI boundary.

impl WasmDescribe for MouseScrollEvent

fn describe()

impl FromWasmAbi for MouseScrollEvent

type Abi = <JsValue as FromWasmAbi>::Abi

The wasm ABI type that this converts from when coming back out from the ABI boundary.

unsafe fn from_abi(js: Self::Abi, extra: &mut dyn Stack) -> Self

Recover a Self from Self::Abi.

impl OptionIntoWasmAbi for MouseScrollEvent

fn none() -> Self::Abi

Returns an ABI instance indicating "none", which JS will interpret as the None branch of this option.

impl<'a> OptionIntoWasmAbi for &'a MouseScrollEvent

fn none() -> Self::Abi

Returns an ABI instance indicating "none", which JS will interpret as the None branch of this option.

impl OptionFromWasmAbi for MouseScrollEvent

fn is_none(abi: &Self::Abi) -> bool

Tests whether the argument is a "none" instance. If so it will be deserialized as None, and otherwise it will be passed to FromWasmAbi.