use anyhow::Result;
use futuresdr::blocks::MessageCopy;
use futuresdr::blocks::MessageSink;
use futuresdr::blocks::MessageSourceBuilder;
use futuresdr::prelude::*;
fn main() -> Result<()> {
let mut fg = Flowgraph::new();
let msg_source = MessageSourceBuilder::new(
Pmt::String("foo".to_string()),
std::time::Duration::from_millis(100),
)
.n_messages(20)
.build();
let msg_copy = MessageCopy;
let msg_sink = MessageSink::new();
connect!(fg, msg_source | msg_copy | msg_sink);
Runtime::new().run(fg)?;
Ok(())
}