flatbuffers_iter.rs

use flatbuffers::{Vector, Follow};

fn first<'a, T: Follow<'a> + 'a>(v: Vector<'a, T>) -> Option<T::Inner> {
    if v.len() > 0 {
        Some(v.get(0))
    } else {
        None
    }
}

fn first2<'a, T: Follow<'a> + 'a>(v: Vector<'a, T>) -> Option<T::Inner> {
    for x in v.iter() {
        return Some(x);
    }
    None
}

fn first3<'a, 'b, T: Follow<'a> + 'a>(v: &'b Vector<'a, T>) -> Option<T::Inner> {
    for x in v.iter() {
        return Some(x);
    }
    None
}

fn first4<'a, T: Follow<'a> + 'a>(v: &'a Vector<'a, T>) -> Option<T::Inner> {
    for x in v.iter() {
        return Some(x);
    }
    None
}