windjammer 0.48.0

A simple language inspired by Go, Ruby, and Elixir that transpiles to Rust - 80% of Rust's power with 20% of the complexity
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57

// Test: Generic parameters passed to &mut should remain owned
// Bug: Compiler infers &G when source says `mut game: G`

pub trait GameState {
    fn tick(self)
}

// External FFI that takes &mut reference
extern fn process_state<S: GameState>(state: &mut S);

// This function should OWN the game, then pass &mut to FFI
pub fn run_game<G: GameState>(mut game: G) {
    // We own `game` and can lend it mutably to FFI
    process_state(&mut game)
}

pub struct MyGame {
    pub frame: i32,
}

impl GameState for MyGame {
    fn tick(self) {
        self.frame = self.frame + 1
    }
}

pub fn test() {
    let game = MyGame { frame: 0 }
    run_game(game)  // Pass by value (move ownership)
}