[−][src]Function pear::combinators::ok
pub fn ok<I, P, O>(input: &mut Pear<I>, p: P) -> Option<O> where
I: Input,
P: FnOnce(&mut Pear<I>) -> Result<O, I>,
Parses p
, returning Some
if it succeeds and None
if it fails. Discards
the error message.