rust-elm 0.1.0

Elm Architecture for Rust, evolving toward The Composable Architecture (UDF).

Install

[dependencies]
rust-elm = { path = "../rust-elm" }
rust-key-paths = "3.2.0"
key-paths-derive = "3.1.0"
tokio = { version = "1.38", features = ["rt-multi-thread", "macros"] }

Quick start

use rust_elm::{Cmd, Program, Runtime, Sub, Environment};

#[derive(Default)]
struct State { count: i32 }

fn init() -> (State, Cmd<i32>) {
    (State::default(), Cmd::none())
}

fn update(state: &mut State, msg: i32) -> Cmd<i32> {
    state.count += msg;
    Cmd::none()
}

fn subscriptions(_: &State) -> Sub<i32> {
    Sub::none()
}

fn main() {
    let program = Program::new(init, update, subscriptions);
    let runtime = Runtime::from_program(program, Environment::new(), 64);
    let store = runtime.store();
    store.dispatch(1);
    runtime.shutdown();
}

// Or with composable reducers:
// let program = ReducerProgram::new(reducers![update_a, update_b], init, subscriptions);
// let runtime = Runtime::from_reducer_program(program, Environment::new(), 64);
//
// Full shop demo: cargo run -p rust-elm --example ecommerce
// Architecture: book/architecture.md

Modules

Key paths prelude

use rust_elm::keypath::{Kp, KpType, Readable, Writable};
use key_paths_derive::Kp;

See ROADMAP.md, book/architecture.md, and workspace todo.md.