Have SharedState use an array of Rc's
Having each array element be an Rc<Cell<BoardState>> enables sharing Rc's with the Slot subelement.
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parent
32a007cf37
commit
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@ -1,4 +1,4 @@
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use std::cell::{Cell, RefCell};
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use std::cell::Cell;
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use std::rc::Rc;
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use yew::prelude::*;
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@ -20,13 +20,71 @@ impl Default for BoardState {
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#[derive(Clone, Debug, PartialEq, Eq)]
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struct SharedState {
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board: Rc<RefCell<[BoardState; 56]>>,
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board: [Rc<Cell<BoardState>>; 56],
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}
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impl Default for SharedState {
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fn default() -> Self {
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Self {
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board: Rc::new(RefCell::new([BoardState::default(); 56])),
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// cannot use [<type>; 56] because Rc does not impl Copy
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board: [
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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Rc::new(Cell::new(BoardState::default())),
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],
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}
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}
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}
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@ -75,22 +133,18 @@ impl Component for Slot {
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.link()
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.context::<SharedState>(Callback::noop())
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.expect("shared to be set");
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let value_at_idx = shared.board.as_ref().borrow()[idx as usize];
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let value_at_idx = shared.board[idx as usize].get();
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match value_at_idx {
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BoardState::Empty => {
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shared.board.as_ref().borrow_mut()[idx as usize] = BoardState::Cyan
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shared.board[idx as usize].replace(BoardState::Cyan);
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}
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BoardState::Cyan => {
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shared.board.as_ref().borrow_mut()[idx as usize] = BoardState::Magenta
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shared.board[idx as usize].replace(BoardState::Magenta);
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}
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BoardState::Magenta => {
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shared.board.as_ref().borrow_mut()[idx as usize] = BoardState::Empty
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shared.board[idx as usize].replace(BoardState::Empty);
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}
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}
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ctx.props()
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.state
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.as_ref()
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.replace(shared.board.as_ref().borrow()[idx as usize]);
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}
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}
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true
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@ -114,62 +168,62 @@ impl Component for Wrapper {
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.expect("state to be set");
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html! {
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<div class="wrapper">
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<Slot idx=0 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[0]))} />
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<Slot idx=1 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[1]))} />
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<Slot idx=2 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[2]))} />
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<Slot idx=3 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[3]))} />
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<Slot idx=4 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[4]))} />
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<Slot idx=5 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[5]))} />
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<Slot idx=6 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[6]))} />
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<Slot idx=7 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[7]))} />
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<Slot idx=8 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[8]))} />
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<Slot idx=9 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[9]))} />
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<Slot idx=10 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[10]))} />
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<Slot idx=11 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[11]))} />
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<Slot idx=12 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[12]))} />
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<Slot idx=13 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[13]))} />
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<Slot idx=14 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[14]))} />
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<Slot idx=15 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[15]))} />
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<Slot idx=16 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[16]))} />
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<Slot idx=17 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[17]))} />
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<Slot idx=18 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[18]))} />
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<Slot idx=19 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[19]))} />
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<Slot idx=20 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[20]))} />
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<Slot idx=21 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[21]))} />
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<Slot idx=22 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[22]))} />
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<Slot idx=23 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[23]))} />
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<Slot idx=24 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[24]))} />
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<Slot idx=25 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[25]))} />
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<Slot idx=26 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[26]))} />
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<Slot idx=27 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[27]))} />
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<Slot idx=28 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[28]))} />
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<Slot idx=29 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[29]))} />
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<Slot idx=30 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[30]))} />
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<Slot idx=31 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[31]))} />
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<Slot idx=32 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[32]))} />
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<Slot idx=33 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[33]))} />
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<Slot idx=34 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[34]))} />
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<Slot idx=35 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[35]))} />
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<Slot idx=36 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[36]))} />
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<Slot idx=37 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[37]))} />
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<Slot idx=38 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[38]))} />
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<Slot idx=39 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[39]))} />
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<Slot idx=40 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[40]))} />
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<Slot idx=41 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[41]))} />
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<Slot idx=42 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[42]))} />
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<Slot idx=43 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[43]))} />
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<Slot idx=44 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[44]))} />
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<Slot idx=45 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[45]))} />
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<Slot idx=46 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[46]))} />
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<Slot idx=47 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[47]))} />
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<Slot idx=48 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[48]))} />
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<Slot idx=49 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[49]))} />
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<Slot idx=50 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[50]))} />
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<Slot idx=51 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[51]))} />
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<Slot idx=52 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[52]))} />
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<Slot idx=53 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[53]))} />
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<Slot idx=54 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[54]))} />
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<Slot idx=55 state={Rc::new(Cell::new(shared.board.as_ref().borrow()[55]))} />
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<Slot idx=0 state={shared.board[0].clone()} />
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<Slot idx=1 state={shared.board[1].clone()} />
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<Slot idx=2 state={shared.board[2].clone()} />
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<Slot idx=3 state={shared.board[3].clone()} />
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<Slot idx=4 state={shared.board[4].clone()} />
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<Slot idx=5 state={shared.board[5].clone()} />
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<Slot idx=6 state={shared.board[6].clone()} />
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<Slot idx=7 state={shared.board[7].clone()} />
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<Slot idx=8 state={shared.board[8].clone()} />
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<Slot idx=9 state={shared.board[9].clone()} />
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<Slot idx=10 state={shared.board[10].clone()} />
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<Slot idx=11 state={shared.board[11].clone()} />
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<Slot idx=12 state={shared.board[12].clone()} />
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<Slot idx=13 state={shared.board[13].clone()} />
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<Slot idx=14 state={shared.board[14].clone()} />
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<Slot idx=15 state={shared.board[15].clone()} />
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<Slot idx=16 state={shared.board[16].clone()} />
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<Slot idx=17 state={shared.board[17].clone()} />
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<Slot idx=18 state={shared.board[18].clone()} />
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<Slot idx=19 state={shared.board[19].clone()} />
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<Slot idx=20 state={shared.board[20].clone()} />
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<Slot idx=21 state={shared.board[21].clone()} />
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<Slot idx=22 state={shared.board[22].clone()} />
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<Slot idx=23 state={shared.board[23].clone()} />
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<Slot idx=24 state={shared.board[24].clone()} />
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<Slot idx=25 state={shared.board[25].clone()} />
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<Slot idx=26 state={shared.board[26].clone()} />
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<Slot idx=27 state={shared.board[27].clone()} />
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<Slot idx=28 state={shared.board[28].clone()} />
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<Slot idx=29 state={shared.board[29].clone()} />
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<Slot idx=30 state={shared.board[30].clone()} />
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<Slot idx=31 state={shared.board[31].clone()} />
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<Slot idx=32 state={shared.board[32].clone()} />
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<Slot idx=33 state={shared.board[33].clone()} />
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<Slot idx=34 state={shared.board[34].clone()} />
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<Slot idx=35 state={shared.board[35].clone()} />
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<Slot idx=36 state={shared.board[36].clone()} />
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<Slot idx=37 state={shared.board[37].clone()} />
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<Slot idx=38 state={shared.board[38].clone()} />
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<Slot idx=39 state={shared.board[39].clone()} />
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<Slot idx=40 state={shared.board[40].clone()} />
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<Slot idx=41 state={shared.board[41].clone()} />
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<Slot idx=42 state={shared.board[42].clone()} />
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<Slot idx=43 state={shared.board[43].clone()} />
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<Slot idx=44 state={shared.board[44].clone()} />
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<Slot idx=45 state={shared.board[45].clone()} />
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<Slot idx=46 state={shared.board[46].clone()} />
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<Slot idx=47 state={shared.board[47].clone()} />
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<Slot idx=48 state={shared.board[48].clone()} />
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<Slot idx=49 state={shared.board[49].clone()} />
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<Slot idx=50 state={shared.board[50].clone()} />
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<Slot idx=51 state={shared.board[51].clone()} />
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<Slot idx=52 state={shared.board[52].clone()} />
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<Slot idx=53 state={shared.board[53].clone()} />
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<Slot idx=54 state={shared.board[54].clone()} />
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<Slot idx=55 state={shared.board[55].clone()} />
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</div> // wrapper
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}
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}
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