lil-json

lil #![no_std] Rust crate to parse & serialize JavaScript Object Notation (JSON). alloc optional. std optional.

JSON can be serialized into any type that implements embedded_io::Write. Serialize a JSON object to stdout with a one-liner!

use std::io::stdout;
use embedded_io_adapters::std::FromStd;
use lil_json::{FieldBuffer, JsonField, JsonValue};

fn main() {
    [
        JsonField::new("some_number", JsonValue::Number(12345)),
        JsonField::new("some_string", JsonValue::String("hello world!")),
        JsonField::new("some_boolean", JsonValue::Boolean(true)),
    ]
    .as_json_object()
    .serialize(FromStd::new(stdout()))
    .unwrap();
}

// output: {"some_number":12345,"some_string":"hello world!","some_boolean":true}

the following types are currently supported:

• objects (currently limited to non-nested objects)
• string (currently limited to ascii)
• boolean
• number

the following types are not currently supported:

• arrays
• null
• nested types

TODO:

• support null type
• alloc features
• expose serialization methods for terminal types
• support arrays
• support parsing arbitrary types
• support unicode strings
• support buffered serialization
• support parsing from stream
• support parsing streaming objects/arrays
• support embedded-io-async?