Function parze::one_of

pub fn one_of<'b, 'a, T: Clone + 'a + PartialEq, E: ParseError<T> + 'a, U: Borrow<T> + Clone + 'a>(
    expected: impl IntoIterator<Item = U>
) -> Parser<'a, T, T, E, impl ParseFn<T, T, E> + Captures<'b> + 'a> where
    'a: 'b,
    'b: 'a, 

A parser that accepts one of the given set of symbols.