Function lower_variant

crates/test-util/src/component_fuzz.rs:653–670

(types: impl Iterator<Item = Option<&'a Type>>, vec: &mut Vec<CoreType>)

}

fn lower_variant<'a>(types: impl Iterator<Item = Option<&'a Type>>, vec: &mut Vec<CoreType>) {
    vec.push(CoreType::I32);
    let offset = vec.len();
    for ty in types {
        let ty = match ty {
            Some(ty) => ty,
            None => continue,
        };
        for (index, ty) in ty.lowered().iter().enumerate() {
            let index = offset + index;
            if index < vec.len() {
                vec[index] = vec[index].join(*ty);
            } else {
                vec.push(*ty)
            }
        }
    }
}

fn u32_count_from_flag_count(count: usize) -> usize {
    match FlagsSize::from_count(count) {