pub struct Port<T> {
x: Port<T>,
}impl<T: Send> GenericPort<T> for Port<T>fn recv(&self) -> TReceives a message, or fails if the connection closes.
fn try_recv(&self) -> Option<T>Receives a message, or returns none if
the connection is closed or closes.
impl<T: Send> Peekable<T> for Port<T>fn peek(&self) -> boolReturns true if a message is available
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