logic-mesh 1.0.0

Control logic engine using event based and reactive blocks written in Rust.
Documentation 
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// Copyright (c) 2022-2023, Radu Racariu.

//!
//! Contains link types and traits.
//!

use uuid::Uuid;

pub mod base;
pub use base::BaseLink;

/// The current link state. Phase 1 of fault propagation removed the
/// `Error` variant — channel/transport failures now surface as a `Stale`
/// status on the receiving input pin instead (see [`crate::base::Status`]).
/// `Disconnected`/`Connected` track wiring state only.
#[derive(Default, Debug, Clone, Copy, PartialEq)]
pub enum LinkState {
    // The link is disconnected
    #[default]
    Disconnected,
    // The link is connected
    Connected,
}

///
/// A link creates a connection from a block
/// output to another's block input.
///
pub trait Link {
    /// Unique link id
    fn id(&self) -> &Uuid;

    /// Current link state
    fn state(&self) -> LinkState;

    /// The id of the target block
    fn target_block_id(&self) -> &Uuid;

    /// The name of the target input
    fn target_input(&self) -> &str;
}