Move.toml

[package]
name = "Table Test"
version = "0.1.0"

[dependencies]
Sui = { ... }

[addresses]
std = "0x1"
sui = "0x2"
test = "0x0"

test.move

module test::test {
    use sui::table;
    use sui::tx_context::TxContext;

    public entry fun test(ctx: &mut TxContext) {
        let t = table::new<u64, u64>(ctx);
        table::add(&mut t, 1, 2);

        let v = table::remove(&mut t, 1);
        table::add(&mut t, 2, v);

        table::drop(t);
    }
}