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// check-pass
#![allow(deprecated)]
pub type ParseResult<T> = Result<T, ()>;
pub enum Item<'a> {
Literal(&'a str)
}
pub fn colon_or_space(s: &str) -> ParseResult<&str> {
unimplemented!()
}
pub fn timezone_offset_zulu<F>(s: &str, colon: F) -> ParseResult<(&str, i32)>
where F: FnMut(&str) -> ParseResult<&str> {
unimplemented!()
}
pub fn parse<'a, I>(mut s: &str, items: I) -> ParseResult<()>
where I: Iterator<Item=Item<'a>> {
macro_rules! try_consume {
($e:expr) => ({ let (s_, v) = try!($e); s = s_; v })
}
let offset = try_consume!(timezone_offset_zulu(s.trim_start(), colon_or_space));
let offset = try_consume!(timezone_offset_zulu(s.trim_start(), colon_or_space));
Ok(())
}
fn main() {}
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