#![allow(unused)]

trait UniType {}
impl UniType for i32{}
impl UniType for f32{}
impl UniType for char{}
impl UniType for String{}

struct UniVec {
    val: Vec<Box<dyn UniType>>
}

impl UniVec {
    fn new() -> UniVec {
        UniVec {
            val: Vec::<Box<dyn UniType>>::new()
        }
    }
    fn push(&mut self, t: Box<dyn UniType>) {
        self.val.push(t);
    }
}

fn main() {
    let mut uv = UniVec::new();
    uv.push(Box::new(100_i32));
    uv.push(Box::new(100_f32));
    uv.push(Box::new('A'));
    uv.push(Box::new("Praise the borrow checker =/\\=".to_string()));

    // uncomment this line
    // uv.push(Box::new("Store is not implemented for &str yet, so this will break"));
}