src/test/compile-fail/const-pattern-irrefutable.rs

   1 // Copyright 2015 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 mod foo {
  12     pub const b: u8 = 2; //~ NOTE constant defined here
  13     pub const d: u8 = 2; //~ NOTE constant defined here
  14 }
  15
  16 use foo::b as c; //~ NOTE constant imported here
  17 use foo::d; //~ NOTE constant imported here
  18
  19 const a: u8 = 2; //~ NOTE constant defined here
  20
  21 fn main() {
  22     let a = 4; //~ ERROR only irrefutable
  23                //~^ NOTE there already is a constant in scope
  24     let c = 4; //~ ERROR only irrefutable
  25                //~^ NOTE there already is a constant in scope
  26     let d = 4; //~ ERROR only irrefutable
  27                //~^ NOTE there already is a constant in scope
  28 }