rhai/doc/src/about/index.md
2020-12-29 23:01:34 +08:00

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What is Rhai
============
{{#include ../links.md}}
![Rhai Logo]({{rootUrl}}/images/logo/rhai-banner-transparent-colour.svg)
Rhai is an embedded scripting language and evaluation engine for Rust that gives a safe and easy way
to add scripting to any application.
Versions
--------
This Book is for version **{{version}}** of Rhai.
{% if rootUrl != "" and not rootUrl is ending_with("vnext") %}
For the latest development version, see [here]({{rootUrl}}/vnext/).
{% endif %}
Etymology of the name "Rhai"
---------------------------
### As per Rhai's author Johnathan Turner
In the beginning there was [ChaiScript](http://chaiscript.com),
which is an embedded scripting language for C++.
Originally it was intended to be a scripting language similar to **JavaScript**.
With java being a kind of hot beverage, the new language was named after
another hot beverage – **Chai**, which is the word for "tea" in many world languages
and, in particular, a popular kind of milk tea consumed in India.
Later, when the novel implementation technique behind ChaiScript was ported from C++ to Rust,
logically the `C` was changed to an `R` to make it "RhaiScript", or just "Rhai".
### On the origin of the semi-official Rhai logo
One of Rhai's maintainers, [Stephen Chung](https://github.com/schungx), was thinking about a logo when he accidentally
came across a copy of _Catcher in the Rye_ in a restaurant, and drew the first version
of the logo.
Then [`@semirix`](https://github.com/semirix) refined it to the current version.
The plan is to make the logo official together with a `1.0` release.