src/tools/rustfmt/tests/target/issue-1681.rs

   1 // rustfmt-max_width: 80
   2
   3 // We would like to surround closure body with block when overflowing the last
   4 // argument of function call if the last argument has condition and without
   5 // block it may go multi lines.
   6 fn foo() {
   7     refmut_map_result(self.cache.borrow_mut(), |cache| {
   8         match cache.entry(cache_key) {
   9             Occupied(entry) => Ok(entry.into_mut()),
  10             Vacant(entry) => {
  11                 let statement = {
  12                     let sql = try!(entry.key().sql(source));
  13                     prepare_fn(&sql)
  14                 };
  15
  16                 Ok(entry.insert(try!(statement)))
  17             }
  18         }
  19     })
  20     .map(MaybeCached::Cached)
  21 }