# Tycho Binary Format
A minimal, self-describing and traversable data format designed around rust and the serde data model.
[](https://crates.io/crates/tycho)
[](https://docs.rs/tycho)
[](https://crates.io/crates/tycho)
### Design Features
- Small storage sizes
- Traversable
- Self describing
- Map to Rust/Serde data model
- Support for 128-bit numbers
- Easy/Fast to encode/decode
- Ability to contain a single non-terminating value.
### Links
> [Specification](https://github.com/SamHDev/tycho/blob/master/specification.md)
>
> [Repository](https://github.com/SamHDev/tycho/)
>
> [Crate](https://crates.io/crates/tycho)
>
> [Documentation](https://docs.rs/tycho/)
>
> [Libraries](https://github.com/SamHDev/tycho/blob/master/libraries.md)
### Examples
```
--- JSON ---
{ "foo": "Hello World", "bar": 10, "baz": true }
------ JSON BYTES ------
7b 22 66 6f 6f 22 3a 22 48 65 6c 6c 6f 20 57 6f 72 6c 64 22 2c 22 62 61 72 22 3a 31 30 2c 22 62 61 7a 22 3a 74 72 75 65 7d
------ BSON ------
29 00 00 00 02 66 6f 6f 00 0c 00 00 00 48 65 6c 6c 6f 20 57 6f 72 6c 64 00 10 62 61 72 00 0a 00 00 00 08 62 61 7a 00 01 00
------ TYCHO ------
05 21 62 61 7a 00 01 01 01 62 61 72 00 01 04 01 0a 66 6f 6f 00 01 02 0b 48 65 6c 6c 6f 20 57 6f 72 6c 64
------ TYCHO VERBOSE -----
Struct({"baz": Value(Boolean(true)), "bar": Value(Number(Unsigned8(10))), "foo": Value(String("Hello World"))})
```
#### Deconstruction
```
05 - Structure
21 - (33 bytes length)
[Field 0]
66 - "f"
6f - "o"
6f - "o"
00 - NULL/EOS
01 - Value
02 - String
0b - (11 bytes length)
48 - "H"
65 - "e"
6c - "l"
6c - "l"
6f - "o"
20 - " "
57 - "W"
6f - "o"
72 - "r"
6c - "l"
64 - "d"
[Field 1]
62 - "b"
61 - "a"
72 - "r"
00 - NULL/EOS
01 - Value
04 - Number
01 - Unsigned 8
10 - #10
[Field 2]
62 - "b"
61 - "a"
7a - "z"
00 - NULL/EOS
01 - Value
01 - Boolean
01 - true
```