// EXIT:0
// OUTPUT:a 5 b 200 c 44 d 9
// OUTPUT:e 5 f 1 g 65535
// OUTPUT:sum 253
unit narrow;

import std.io;

// How wide a store is belongs to the place, not to the value. An integer
// literal is `i32` until something narrower asks for it, so `let b: u8 = 200;`
// arrives at the store as four bytes going into one -- and writing four wipes
// out whatever the frame put beside it.
//
// Several locals of mixed width, next to each other, is what it takes to see
// it: each narrow store used to reach back over the one declared before it.

fn main() -> i32 {
    let a: i32 = 5;
    let b: u8 = 200;
    let c: u8 = 44;
    let d: i16 = 9;
    @print("a {} b {} c {} d {}\n", a, b, c, d);

    let e = 5;              // no annotation: i32 (SPEC 4.1)
    let f: i8 = 1;
    let g: u16 = 65535;
    @print("e {} f {} g {}\n", e, f as i32, g);

    // And the values are still there after everything else was written.
    @print("sum {}\n", (b as i32) + (c as i32) + (d as i32) + e - (a as i32));
    return 0;
}