Accounts.push() error, When I not use #[tokio::main] and async?

[peter-jim]

I want to try not use #[tokio::main] in my project . it show error follow this.

{unknown}
no method named push found for struct CallFuture in the current scope
method not found in CallFuture<Vec<H160>, Pin<Box<dyn std::future::Future<Output = Result<serde_json::value::Value, web3::Error>> + std::marker::Send>>>rustcE0599

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my code is

let mut accounts = web3.eth().accounts();
accounts.push(hex!("0x5940C8F24c1c6ee04e0F7E1f44546d71859Cc3b7").into());

Is there a way I can run successfully without # [tokio::main] and async?

[elpiel]

I believe that the current implementation runs only in async.
One way you could run it in blocking code is e.g. using the futures crate: https://docs.rs/futures/latest/futures/executor/fn.block_on.html
or even better, with the exactly the same function exported by web3:
https://docs.rs/web3/latest/web3/fn.block_on.html