--- /dev/null
+use std::{fs, io::*};
+use std::collections::HashMap;
+
+type Handle = BufWriter<fs::File>;
+struct Thing(HashMap<String, Handle>);
+
+impl Thing {
+ pub fn die_horribly(&mut self) {
+ for v in self.0.values() {
+ v.flush();
+ //~^ ERROR cannot borrow
+ }
+ }
+}
+
+fn main() {}