Macro pike_res 

macro_rules! pike_res {
    ($head:tt $(|> $funs_head:tt $(:: $funs_tail:tt)*)+) => { ... };
}

Works similar to pike but pike_res exits the pipeline early if a function returns an Err()

let result = pike_res!("http://rust-lang.org" |> download |> parse |> get_links);