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Ron, aka Rusty Object Notation, is a data notation created in 2015 by Juniper Tyree.

#349on PLDB 9Years Old
Download source code:
git clone

RON is a simple readable data serialization format that looks similar to Rust syntax. It's designed to support all of Serde's data model, so structs, enums, tuples, arrays, generic maps, and primitive values.

Example from the web:
GameConfig( // optional struct name window_size: (800, 600), window_title: "PAC-MAN", fullscreen: false, mouse_sensitivity: 1.4, key_bindings: { "up": Up, "down": Down, "left": Left, "right": Right, // Uncomment to enable WASD controls /* "W": Up, "A": Down, "S": Left, "D": Right, */ }, difficulty_options: ( start_difficulty: Easy, adaptive: false, ), )

Language features

Feature Supported Token Example
MultiLine Comments /* */
/* A comment
// A comment
Line Comments //
// A comment
Semantic Indentation X

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