tests/ui/string-box-error.rs

   1 // run-pass
   2 // Ensure that both `Box<dyn Error + Send + Sync>` and `Box<dyn Error>` can be
   3 // obtained from `String`.
   4
   5 use std::error::Error;
   6
   7 fn main() {
   8     let _err1: Box<dyn Error + Send + Sync> = From::from("test".to_string());
   9     let _err2: Box<dyn Error> = From::from("test".to_string());
  10     let _err3: Box<dyn Error + Send + Sync + 'static> = From::from("test");
  11     let _err4: Box<dyn Error> = From::from("test");
  12 }