Struct Msg 

pub struct Msg<'a, T: 'static + Message> { /* private fields */ }

Implementations

impl<'a, T: Message> Msg<'a, T>

pub const fn new(value: &'a Messages<T>) -> Self

Methods from Deref<Target = Messages<T>>

pub fn iter_current(&self) -> MessagesIterator<'_, M>

Returns an iterator over the current frame’s messages.

pub fn iter_previous(&self) -> MessagesIterator<'_, M>

Returns an iterator over the previous frame’s messages.

pub fn len_current(&self) -> usize

Returns the number of messages in the current frame.

pub fn len_previous(&self) -> usize

Returns the number of messages in the previous frame.

pub fn is_empty_current(&self) -> bool

Checks if there are no messages in the current frame.

pub fn is_empty_previous(&self) -> bool

Checks if there are no messages in the previous frame.

Trait Implementations

impl<'a, T: Message> Deref for Msg<'a, T>

type Target = Messages<T>

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl<T: 'static + Message> SystemParam for Msg<'static, T>

type Item = Msg<'static, T>

fn fetch(world: &mut State) -> Self::Item