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use num_enum::{IntoPrimitive, TryFromPrimitive};
/// Sending or receiving end of a channel.
#[derive(Debug, Copy, Clone, PartialEq, Eq, IntoPrimitive, TryFromPrimitive)]
#[cfg_attr(feature = "fuzzing", derive(arbitrary::Arbitrary))]
#[repr(u8)]
pub enum ChannelEnd {
/// Sending end of a channel.
Sender = 0,
/// Receiving end of a channel.
Receiver = 1,
}
impl ChannelEnd {
/// Returns the other end of the channel.
///
/// This function maps [`Sender`](Self::Sender) to [`Receiver`](Self::Receiver) and vice versa.
///
/// # Examples
///
/// ```
/// # use aldrin_core::ChannelEnd;
/// assert_eq!(ChannelEnd::Sender.other(), ChannelEnd::Receiver);
/// assert_eq!(ChannelEnd::Receiver.other(), ChannelEnd::Sender);
/// ```
pub fn other(self) -> Self {
match self {
Self::Sender => Self::Receiver,
Self::Receiver => Self::Sender,
}
}
}
impl From<ChannelEndWithCapacity> for ChannelEnd {
fn from(value: ChannelEndWithCapacity) -> Self {
match value {
ChannelEndWithCapacity::Sender => Self::Sender,
ChannelEndWithCapacity::Receiver(_) => Self::Receiver,
}
}
}
/// Sending or receiving end and capacity of a channel.
#[derive(Debug, Copy, Clone, PartialEq, Eq)]
#[cfg_attr(feature = "fuzzing", derive(arbitrary::Arbitrary))]
pub enum ChannelEndWithCapacity {
/// Sending end of a channel.
Sender,
/// Receiving end of a channel and capacity.
Receiver(u32),
}