Function allsorts_no_std::layout::chain_context_lookup_info

pub fn chain_context_lookup_info<'a, T, Table: LayoutTableType>(
    chain_context_lookup: &'a ChainContextLookup<Table>, 
    glyph: u16, 
    f: impl Fn(&MatchContext<'a>) -> bool
) -> Result<Option<Box<ContextLookupHelper<'a, T>>>, ParseError>