use parser::Span;
use parser::Span::Break;
use regex::Regex;
pub fn parse_break(text: &str) -> Option<(Span, usize)> {
lazy_static! {
static ref BR: Regex = Regex::new(r"^ {2}$").unwrap();
}
if BR.is_match(text) {
return Some((Break, 2));
}
None
}
#[cfg(test)]
mod test {
use super::parse_break;
use parser::Span::Break;
#[test]
fn finds_breaks() {
assert_eq!(parse_break(" "), Some((Break, 2)));
}
#[test]
fn no_false_positives() {
assert_eq!(parse_break("this is a test "), None);
assert_eq!(parse_break(" "), None);
assert_eq!(parse_break(" a"), None);
}
}