// run-pass

// aux-build:issue-2631-a.rs

extern crate req;

use req::request;
use std::cell::RefCell;
use std::collections::HashMap;
use std::rc::Rc;

pub fn main() {
  let v = vec![Rc::new("hi".to_string())];
  let mut m: req::header_map = HashMap::new();
  m.insert("METHOD".to_string(), Rc::new(RefCell::new(v)));
  request::<isize>(&m);
}