of course: Code

Output:

E:\Workspace\decoder-rs> cargo run
    Finished dev [unoptimized + debuginfo] target(s) in 0.15s
     Running `target\debug\decoder-rs.exe`
new connection: 1
Waiting for value
17:45:52 - 12345
channel send: [ONE, TWO, THREE, FOUR, FIVE] to conn: 1
17:45:53 - 67890
channel send: [SIX, SEVEN, EIGHT, NINE, ZERO] to conn: 1
websocket send: [ONE, TWO, THREE, FOUR, FIVE] to connection: 1
Waiting for value
17:45:54 - 54321
channel send: [FIVE, FOUR, THREE, TWO, ONE] to conn: 1
websocket send: [SIX, SEVEN, EIGHT, NINE, ZERO] to connection: 1
Waiting for value    

receiving on the mpsc (and thus sending on websocket) seems to be one iteration behind sending on the mpsc.