5     use std::sync::mpsc;  in map_ok()
9     let (tx1, rx1) = mpsc::channel::<()>();  in map_ok()
10     let (tx2, rx2) = mpsc::channel::<()>();  in map_ok()
27     use std::sync::mpsc;  in map_err()
31     let (tx1, rx1) = mpsc::channel::<()>();  in map_err()
32     let (tx2, rx2) = mpsc::channel::<()>();  in map_err()
71         use std::sync::mpsc;  in then_drops_eagerly()
74         let (tx1, rx1) = mpsc::channel::<()>();  in then_drops_eagerly()
75         let (tx2, rx2) = mpsc::channel::<()>();  in then_drops_eagerly()
85         assert_eq!(Err(mpsc::TryRecvError::Empty), rx2.try_recv());  in then_drops_eagerly()
95         use std::sync::mpsc;  in and_then_drops_eagerly()
98         let (tx1, rx1) = mpsc::channel::<()>();  in and_then_drops_eagerly()
99         let (tx2, rx2) = mpsc::channel::<()>();  in and_then_drops_eagerly()
109         assert_eq!(Err(mpsc::TryRecvError::Empty), rx2.try_recv());  in and_then_drops_eagerly()
119         use std::sync::mpsc;  in or_else_drops_eagerly()
122         let (tx1, rx1) = mpsc::channel::<()>();  in or_else_drops_eagerly()
123         let (tx2, rx2) = mpsc::channel::<()>();  in or_else_drops_eagerly()
133         assert_eq!(Err(mpsc::TryRecvError::Empty), rx2.try_recv());  in or_else_drops_eagerly()