oxanus-macros 1.0.1

Macros for Oxanus.
Documentation 
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mod queue;
mod registry;
mod worker;

use queue::*;
use registry::*;
use worker::*;

use proc_macro::TokenStream;
use proc_macro_error2::proc_macro_error;
use syn::{DeriveInput, parse_macro_input};

/// Generates impl for `oxanus::Queue`.
///
/// Example usage:
/// ```ignore
/// #[derive(Serialize, oxanus::Queue)]
/// #[oxanus(key = "my_queue")]
/// #[oxanus(concurrency = 2)]
/// #[oxanus(throttle(window_ms = 3, limit = 4))]
/// pub struct MyQueue;
/// ```
#[proc_macro_error]
#[proc_macro_derive(Queue, attributes(oxanus))]
pub fn derive_queue(input: TokenStream) -> TokenStream {
    let input = parse_macro_input!(input as DeriveInput);

    expand_derive_queue(input).into()
}

/// Generates impl for `oxanus::Worker`.
///
/// Example usage:
/// ```ignore
/// #[derive(Serialize, oxanus::Worker)]
/// #[oxanus(max_retries = 3, on_conflict = Replace)]
/// #[oxanus(unique_id = "test_worker_{id}")]
/// struct TestWorkerUniqueId {
///     id: i32,
/// }
/// ```
#[proc_macro_error]
#[proc_macro_derive(Worker, attributes(oxanus))]
pub fn derive_worker(input: TokenStream) -> TokenStream {
    let input = parse_macro_input!(input as DeriveInput);

    expand_derive_worker(input).into()
}

/// Helper to define a component registry.
#[proc_macro_error]
#[proc_macro_derive(Registry, attributes(oxanus))]
pub fn derive_registry(input: TokenStream) -> TokenStream {
    let input = parse_macro_input!(input as DeriveInput);

    expand_derive_registry(input).into()
}