Function allsorts::gpos::gpos_apply_lookup

pub fn gpos_apply_lookup(
    gpos_cache: &LayoutCache<GPOS>, 
    gpos_table: &LayoutTable<GPOS>, 
    opt_gdef_table: Option<&GDEFTable>, 
    lookup_index: usize, 
    infos: &mut [Info]
) -> Result<(), ParseError>