Function block_on

crates/proof/proof/src/blocking_runtime.rs:8–16

(f: impl Future<Output = T>)

/// This function blocks on a future in place until it is ready.
#[cfg(feature = "std")]
pub fn block_on<T>(f: impl Future<Output = T>) -> T {
    // When running with Tokio, use the appropriate blocking mechanism
    if let Ok(runtime) = tokio::runtime::Handle::try_current() {
        tokio::task::block_in_place(|| runtime.block_on(f))
    } else {
        // Fallback to tokio's block_on if we're not in a runtime
        tokio::runtime::Runtime::new().unwrap().block_on(f)
    }
}

/// This function busy waits on a future until it is ready. It uses a no-op waker to poll the future
/// in a thread-blocking loop.