Struct embassy_futures::select::Select4

pub struct Select4<A, B, C, D> { /* private fields */ }

用于 select4 函数的Future。
Future for the select4 function.

Trait Implementations

impl<A: Debug, B: Debug, C: Debug, D: Debug> Debug for Select4<A, B, C, D>

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

Formats the value using the given formatter.

impl<A, B, C, D> Future for Select4<A, B, C, D>where A: Future, B: Future, C: Future, D: Future,

type Output = Either4<<A as Future>::Output, <B as Future>::Output, <C as Future>::Output, <D as Future>::Output>

The type of value produced on completion.

fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output>

Attempt to resolve the future to a final value, registering the current task for wakeup if the value is not yet available.