api-rand.rs

//! <https://crates.io/crates/rand>
//! <https://docs.rs/rand/0.3/rand/>
//!
//! Tested with rust-1.29.1 and rand-0.8.5
//!
//! @license MIT license <http://www.opensource.org/licenses/mit-license.php>
//!
//! @since 2018-10-01

extern crate rand;

use rand::prelude::*;

fn main() {
    let mut tmp_rand = thread_rng();

    let boolean: bool = tmp_rand.gen();
    println!("bool: {}", boolean);

    let int_8: i8 = tmp_rand.gen::<i8>();
    let uint_8: u8 = tmp_rand.gen::<u8>();
    println!("int_8: {}\nuint_8: {}", int_8, uint_8);

    let int_32: i32 = tmp_rand.gen::<i32>();
    let uint_32: u32 = tmp_rand.gen::<u32>();
    println!("int_32: {}\nuint_32: {}", int_32, uint_32);

    let float32: f32 = tmp_rand.gen::<f32>();
    let float64: f64 = tmp_rand.gen::<f64>();
    println!("float32: {}\nfloat64: {}", float32, float64);

    let int8_for_range: u8 = tmp_rand.gen_range(0..=127);
    println!("int8_for_range: {}", int8_for_range);

    let tuple = rand::random::<(f32, f32)>();
    println!("tuple: {:?}", tuple);
}