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//@ run-pass
pub struct ClientMap;
pub struct ClientMap2;
pub trait Service {
type Request;
fn call(&self, _req: Self::Request);
}
pub struct S<T>(#[allow(dead_code)] T);
impl Service for ClientMap {
type Request = S<Box<dyn Fn(i32)>>;
fn call(&self, _req: Self::Request) {}
}
impl Service for ClientMap2 {
type Request = (Box<dyn Fn(i32)>,);
fn call(&self, _req: Self::Request) {}
}
fn main() {
ClientMap.call(S { 0: Box::new(|_msgid| ()) });
ClientMap.call(S(Box::new(|_msgid| ())));
ClientMap2.call((Box::new(|_msgid| ()),));
}
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