busan 0.2.1

An actor implementation for Rust
Documentation 
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//! Core message types used by Busan and primitive type wrappers

pub mod common_types;

pub trait Message: prost::Message {
    fn as_any(&self) -> &dyn std::any::Any;

    /// A version of encode_to_vec that does not have a default implementation or
    /// `Self: Sized` requirement. This allows us to implement this directly on the
    /// type and use dynamic dispatch indirectly call `encode_to_vec` on `prost::Message`
    /// and satisfy the `Sized` requirement.
    #[doc(hidden)]
    fn encode_to_vec2(&self) -> Vec<u8>;

    #[doc(hidden)]
    fn encoded_len(&self) -> usize {
        prost::Message::encoded_len(self)
    }
}

pub trait ToMessage<M: Message> {
    fn to_message(self) -> M;

    fn is_primitive<L: private::IsLocal>(&self) -> bool {
        false
    }
}

/// Impl ToMessage for all types that are already messages.
impl<M: Message> ToMessage<M> for M {
    fn to_message(self) -> M {
        self
    }
}

/*
 * Use a private module to create a private trait so we can use this on methods in
 * ToMessage so that they can _only_ be implemented and called within our crate.
 */
pub(crate) mod private {
    #[doc(hidden)]
    pub enum Local {}
    #[doc(hidden)]
    pub trait IsLocal {}
    impl IsLocal for Local {}
}