// run-pass // aux-build:trait_superkinds_in_metadata.rs // Tests "capabilities" granted by traits with super-builtin-kinds, // even when using them cross-crate. extern crate trait_superkinds_in_metadata; use std::sync::mpsc::{channel, Sender, Receiver}; use trait_superkinds_in_metadata::{RequiresRequiresShareAndSend, RequiresShare}; #[derive(PartialEq, Debug)] struct X(T); impl RequiresShare for X { } impl RequiresRequiresShareAndSend for X { } fn foo(val: T, chan: Sender) { chan.send(val).unwrap(); } pub fn main() { let (tx, rx): (Sender>, Receiver>) = channel(); foo(X(31337), tx); assert_eq!(rx.recv().unwrap(), X(31337)); }