Function sixtyfps_compilerlib::generator::build_array_helper

pub fn build_array_helper(
    component: &Component, 
    visit_item: impl FnMut(&ElementRc, u32, u32)
)

Visit each item in order in which they should appear in the children tree array. The parameter of the visitor are

1. the item
2. the first_children_offset,
3. the parent index