token-cell 3.0.0-rc.1

A more convenient GhostCell
Documentation 
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use token_cell::prelude::*;

token_cell::unsafe_token!(
    /// A first, private token type.
    Token,
    /// A second, public token type.
    pub Token2
);

fn main() {
    let mut token = Token::new();
    let cell1 = TokenCell::new(1, &token);
    let cell2 = TokenCell::new(2, &token);
    let mut token2 = Token2::new();
    let mut cell3 = TokenCell::new(3, &token2);
    let _cell4 = TokenCell::new(4, &token2);
    unsafe { *cell1.borrow_mut(&mut token) = 5 };
    unsafe { *cell2.borrow_mut(&mut token) = 6 };
    let map = unsafe { cell2.map_mut(|mut v| *v = 9) };
    let cell3_ref = &cell3;
    unsafe { *cell3_ref.borrow_mut(&mut token2) = 7 };
    let cell3_mutref = &mut cell3;
    *cell3_mutref.get_mut() = 8;
    let borrow = unsafe { cell3.borrow(&token2) };
    map.apply(&mut token);
    println!("{}", *borrow);
}