protoflow-blocks 0.4.3

Protoflow implements flow-based programming (FBP) for Rust using Protocol Buffers messages.
Documentation 
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// This is free and unencumbered software released into the public domain.

use super::{prelude::Vec, InputPortName, OutputPortName};

/// A trait for defining the connections of a block instance.
pub trait BlockConnections {
    fn input_connections(&self) -> Vec<(&'static str, Option<InputPortName>)> {
        if cfg!(debug_assertions) {
            unimplemented!("BlockConnections::input_connections") // for debug builds only
        } else {
            Vec::new()
        }
    }

    fn output_connections(&self) -> Vec<(&'static str, Option<OutputPortName>)> {
        if cfg!(debug_assertions) {
            unimplemented!("BlockConnections::output_connections") // for debug builds only
        } else {
            Vec::new()
        }
    }
}