src/test/compile-fail/union/union-suggest-field.rs

   1 // Copyright 2016 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 #![feature(untagged_unions)]
  12
  13 union U {
  14     principal: u8,
  15 }
  16
  17 impl U {
  18     fn calculate(&self) {}
  19 }
  20
  21 fn main() {
  22     let u = U { principle: 0 };
  23     //~^ ERROR union `U` has no field named `principle`
  24     //~| NOTE field does not exist - did you mean `principal`?
  25     let w = u.principial; //~ ERROR attempted access of field `principial` on type `U`
  26                           //~^ HELP did you mean `principal`?
  27
  28     let y = u.calculate; //~ ERROR attempted to take value of method `calculate` on type `U`
  29                          //~^ HELP maybe a `()` to call it is missing?
  30 }