tide 0.0.5

WIP modular web framework
Documentation 
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#![feature(async_await, futures_api)]

use futures::future::FutureObj;
use tide::{head::Path, middleware::RequestContext, ExtractConfiguration, Response};

/// A type that represents how much value will be added by the `add` handler.
#[derive(Clone, Debug, Default)]
struct IncreaseBy(i32);

async fn add(
    Path(base): Path<i32>,
    // `ExtractConfiguration` will extract the configuration item of given type, and provide it as
    // `Option<T>`. If it is not set, the inner value will be `None`.
    ExtractConfiguration(amount): ExtractConfiguration<IncreaseBy>,
) -> String {
    let IncreaseBy(amount) = amount.unwrap_or_default();
    format!("{} plus {} is {}", base, amount, base + amount)
}

fn debug_store(ctx: RequestContext<()>) -> FutureObj<Response> {
    println!("{:#?}", ctx.store());
    ctx.next()
}

fn main() {
    let mut app = tide::App::new(());
    // `App::config` sets the default configuration of the app (that is, a top-level router).
    app.config(IncreaseBy(1));
    app.middleware(debug_store);
    app.at("add_one/{}").get(add); // `IncreaseBy` is set to 1
    app.at("add_two/{}").get(add).config(IncreaseBy(2)); // `IncreaseBy` is overridden to 2

    app.serve();
}