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Data Query

Data Query is a library that allows query any Serializable data.

Usage

It currently supports only a few structures of querying.

Map Data eg
- .some-key.some-other-key
Generic Indexing of Array and Maps
- .some-array[0] - getting key 0 in the array
- .some-array[0-2,6] - getting key 0,1,2 and 6
- .some-map[key1, key2] - Treating the array as a map, and getting key1 and key2

More will be added later, see TODO

In code usage

To query the data the following can be used:

Using precompile_lex

precompile_lex! macro will build the lexical from the query string that has already been given. Prebuilding the lexical operations reduces the amount of processing required

let lex = precompile_lex!(.friends[1].name);
let data = User::default();
let query_res = query(data, lex);
println!("{:?}", query_res.unwrap());

Using compile

If the query is dynamically created, it might be better to just compile the lexical on the fly.

let lex = compile(".friends[1,2].name").unwrap();
let data = User::default();
let query_res = query(data, lex);
println!("{:?}", query_res.unwrap());

Todo

At the moment there is only 1 todo because it very high on the list.