sta 0.1.16

A set of additions I think go well with the standard library.
Documentation
extern crate serde;

#[macro_use]
extern crate serde_derive;

pub mod disp {
    use std::fmt;

    pub fn print<T>(text: T) where T: fmt::Display {
        println!("{}", text);
        return;
    }

    pub fn newline() {
        println!("");
        return;
    }

    pub fn print_debug<T>(data: T) where T: fmt::Debug {
        println!("{:?}", data);
        return;
    }
}

pub mod range {
    pub fn range(x: u32, y: u32) -> Vec<u32> {
        let mut iterator = x;
        let mut list = Vec::new();
        list.push(iterator);
        while iterator != y {
            iterator += 1;
            list.push(iterator);
        }
        return list;
    }
}

pub mod arg {
    use std::env;

    pub fn get_args() -> Vec<String> {
        let args = env::args().collect();
        return args;
    }
}

pub mod conv {
    use std::string::String;

    pub fn b_str(str: &str) -> String {
        let no_borrow: String = str.to_string();
        return no_borrow;
    }
}

pub mod stringutil {
    pub fn get_char_pos(string: String, char_loc: usize) -> char {
        let char_vec: Vec<char> = string.chars().collect();
        return char_vec[char_loc];
    }
}

pub mod appinfo {
    #[derive(Serialize, Deserialize, Debug, Clone, Copy)]
    pub struct AppInfo {
        pub name: &'static str,
        pub author: &'static str,
        pub repository: &'static str,
        pub crate_link: &'static str,
    }

    impl AppInfo {
        pub fn new() -> AppInfo {
            let appinfo: AppInfo = AppInfo {name: "", author: "", repository: "", crate_link: ""};
            return appinfo;
        }
    }
}

pub mod point {
    #[derive(Serialize, Deserialize, Debug, Clone, Copy)]
    pub struct Point {
        pub x: i32,
        pub y: i32,
    }

    impl Point {
        pub fn new() -> Point {
            let point: Point = Point {x: 0, y: 0};
            return point;
        }
    }
}

pub mod coordinate {
    #[derive(Serialize, Deserialize, Debug, Clone, Copy)]
    pub struct Coordinate {
        pub x: i32,
        pub y: i32,
        pub z: i32,
    }

    impl Coordinate {
        pub fn new() -> Coordinate {
            let coordinate: Coordinate = Coordinate {x: 0, y: 0, z: 0};
            return coordinate;
        }
    }
}

pub mod shape {
    pub mod quadrilateral {
        use point::Point;

        #[derive(Serialize, Deserialize, Debug, Clone, Copy)]
        pub struct Quadrilateral {
            pub corner: [Point; 4],
        }

        impl Quadrilateral {
            pub fn new() -> Quadrilateral {
                let quadrilateral: Quadrilateral = Quadrilateral {corner: [Point {x: 0, y: 0}; 4]};
                return quadrilateral;
            }
        }
    }

    pub mod hexahedron {
        use coordinate::Coordinate;

        #[derive(Serialize, Deserialize, Debug, Clone, Copy)]
        pub struct Hexahedron {
            pub corner: [Coordinate; 8],
        }

        impl Hexahedron {
            pub fn new() -> Hexahedron {
                let hexahedron: Hexahedron = Hexahedron {corner: [Coordinate {x: 0, y: 0, z: 0}; 8]};
                return hexahedron;
            }
        }
    }
}

pub mod error {
    use std::process;
    use disp;
    use conv::b_str;

    #[derive(Serialize, Deserialize, Debug, Clone)]
    pub struct Error {
        pub errormessage: String,
        pub exitcode: i32,
        pub exit: bool,
    }

    pub fn const_error(errormessage: &'static str, exitcode: i32) -> Error {
        let error = Error {errormessage: b_str(errormessage), exitcode: exitcode, exit: true};
        return error;
    }

    pub fn const_error_noexit(errormessage: &'static str) -> Error {
        let error = Error {errormessage: b_str(errormessage), exitcode: 1, exit: false};
        return error;
    }

    pub fn error(error: Error) {
        disp::print([b_str("Error: "), error.errormessage, b_str("\n")].concat());

        if error.exit {
            process::exit(error.exitcode);
        }
    }
}

#[cfg(test)]
mod tests {
    use ::range;
    use ::error;

    #[test]
    fn range() {
        let testvec = range::range(0, 4);
        println!("{:?}", testvec);
    }

    #[test]
    fn error() {
        let error = error::const_error_noexit("This is a sample error, beep beep.");
        error::error(error);
    }
}