Dyer is designed for reliable, flexible and fast web-crawling, providing some high-level, comprehensive features without compromising speed.

By means of event-driven, non-blocking I/O [tokio] and powerful, reliable [Rust programming language], inspired by [scrapy], Dyer provides some high-level features.

• asynchronous, concurrent streamimg and I/O, make the best of thread pool, network, and system resource.
• event-driven, once you set the initials and recursive generator of Task, Dyer will handle the rest of it.
• user-friendly, considering the philosophy of rust programming language, more source code, proper framework may contribute the awkwardness when efficiency and learning cost are taken into consideration. Dyer presents high-level wrapper for convenience.