tests/ui/closures/2229_closure_analysis/migrations/issue-86753.rs

   1 // edition:2018
   2 // check-pass
   3
   4 #![warn(rust_2021_compatibility)]
   5
   6 use std::future::Future;
   7
   8 struct Runtime;
   9
  10 impl Runtime {
  11     pub fn block_on<F: Future>(&self, _future: F) -> F::Output {
  12         unimplemented!()
  13     }
  14 }
  15
  16 pub fn http<F, Fut>(_func: F)
  17 where
  18     F: Fn() -> Fut,
  19     Fut: Future<Output = ()>,
  20 {
  21     let rt = Runtime {};
  22     let srv = rt.block_on(async move { serve(move || async move { unimplemented!() }) });
  23     let _ = || rt.block_on(async { srv });
  24 }
  25
  26 pub struct Server<S> {
  27     _marker: std::marker::PhantomData<S>,
  28 }
  29
  30 pub fn serve<S>(_new_service: S) -> Server<S> {
  31     unimplemented!()
  32 }
  33
  34 fn main() { }