yttrium_std_rand/
lib.rs

1#![allow(clippy::needless_return)]
2#![deny(clippy::implicit_return)]
3use yttrium_key_base as key_base;
4use rand::Rng;
5#[cfg(feature = "loader")]
6#[no_mangle]
7pub fn key_create() -> *mut dyn key_base::Key {
8	return Box::into_raw(Box::new(std_rand {
9		info: create_key_info(),
10		function: key_function,
11	}));
12}
13
14pub fn safe_create() -> Box<dyn key_base::Key> {
15	return Box::new(std_rand {
16		info: create_key_info(),
17		function: key_function,
18	});
19}
20
21/*
22Parameters:
23Optional, lowest value, default 0
24Optional, highest value, default 10
25*/
26fn create_key_info() -> key_base::KeyInfo {
27	return key_base::KeyInfo {
28		name: String::from("rand"),
29		parameters_required: vec![0, 1, 2],
30	};
31}
32
33#[allow(non_camel_case_types)]
34struct std_rand {
35	pub info: key_base::KeyInfo,
36	pub function: fn(parameter: &[String], environment: &mut key_base::environment::Environment) -> Result<String, String>,
37}
38
39impl key_base::Key for std_rand {
40	fn get_key_info(&self) -> &key_base::KeyInfo {
41		return &self.info;
42	}
43
44	fn get_key_function(&self) -> fn(parameter: &[String], environment: &mut key_base::environment::Environment) -> Result<String, String> {
45		return self.function;
46	}
47}
48
49fn key_function(parameter: &[String], _environment: &mut key_base::environment::Environment) -> Result<String, String> {
50	let lower = if !parameter.is_empty() { parameter[0].parse().unwrap() } else { 0 };
51	let upper = if parameter.len() == 2 { parameter[1].parse().unwrap() } else { 10 };
52	if lower > upper {
53		return Err(String::from("Lower bound was higher than upper bound in `rand`"));
54	}
55	let result = rand::thread_rng().gen_range(lower, upper);
56	return Ok(result.to_string());
57}
yttrium_std_rand/lib.rs

yttrium_std_rand/
lib.rs
