Function block_on

pub fn block_on<F>(fut: F) -> Result<F::Output, AsyncError>
where
    F: Future + Send + 'static,
    F::Output: Send,

Blocks on the provided future and returns the result.

This function is used to call async functions from sync code. Requires the current thread to be running in a tokio runtime.

Due to limitations of tokio runtime, we cannot use tokio::runtime::Runtime::block_on if we are already inside a tokio runtime. This function is a workaround for that limitation.