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//! ## convert json object to protobuf message
//!
//! json2pb is a library for converting json object to protobuf message.
//! It also provides a commandline program `j2pb`. For more information, run `j2pb -h`
//!
//! `j2pb -f test.json` this can convert test.json to pb message and print the result on the screen(stdout)
//!
//! `j2pb -f test.json -o test.proto` does the same thing but save the result in test.proto
//!
//! ## json2pb library
//!
//! And you can use json2pb in your project just by adding `json2pb="*"` in your cargo dependency.
//!
//! ### example
//! ```rust
//! use json2pb::parser;
//! use json2pb::pbgen;
//! use nom::error::VerboseError;
//!
//! let json_code = r#"
//!     {
//!         "name": "deen",
//!         "score": 98.5,
//!         "list": [
//!              {
//!                  "i_name": "deen"
//!              },
//!              {
//!                  "i_name": "caibirdme",
//!                  "i_age": 26
//!              }
//!          ],
//!          "foo": []
//!     }
//! "#;
//!
//! let json_value = parser::parse_root(json_code).unwrap();
//! let json_2_pb_ast = pbgen::visit_json_root(&json_value).unwrap();
//! let generated_pb_message = pbgen::gen_pb_def(&json_2_pb_ast);
//! assert_eq!(generated_pb_message, r#"message root_data {
//!     string name = 1;
//!     double score = 2;
//!     repeated List list = 3;
//!     repeated google.protobuf.Any foo = 4;
//!
//!     message List {
//!         string i_name = 1;
//!         int64 i_age = 2;
//!     }
//! }
//! "#);
//! ```


pub mod parser;
pub mod pbgen;

/// Common Result
pub type Result<T> = std::result::Result<T, Box<dyn std::error::Error + 'static>>;