Function random_char 

pub fn random_char(_args: &HashMap<String, Value>) -> Result<Value>

A Tera function to generate a random char.

Example usage

use tera::{Context, Tera};
use tera_rand::random_char;

let mut tera: Tera = Tera::default();
tera.register_function("random_char", random_char);

let context: Context = Context::new();
let rendered: String = tera.render_str("{{ random_char() }}", &context).unwrap();