/*
 * advotracker - Hotline tackingtool for Advocats
 *
 * Copyright 2020 Ralf Zerres <ralf.zerres@networkx.de>
 * SPDX-License-Identifier: 0BSD, MIT
 */

#![warn(missing_docs, rust_2018_idioms, rust_2018_compatibility)]

//! advotrackerd: crate documentation

// This function adds two integers (given as arguments) and returns the sum.
//
// # Examples
//
// ```
// assert_eq!(8, advotrackerd::internal_adder(4, 4));
// ```
fn internal_adder(a: i32, b: i32) -> i32 {
   a + b
}

/// This function adds two to its argument.
///
/// # Examples
///
/// ```
/// assert_eq!(4, advotrackerd::add_two(2));
/// ```
pub fn add_two(a: i32) -> i32 {
    internal_adder(a, 2)
}


#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn internal_test() {
	assert_eq!(8, internal_adder(4, 4));
    }
}