Function outline_var_impl

fn outline_var_impl(
    glyf_table: Table<'_>,
    gvar_table: &Table<'_>,
    glyph_id: GlyphId,
    data: &[u8],
    coordinates: &[NormalizedCoordinate],
    depth: u8,
    builder: &mut Builder<'_>,
) -> Option<()>