src/test/compile-fail/lint-uppercase-variables.rs

   1 // Copyright 2012-2014 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 // ignore-tidy-linelength
  12
  13 #![allow(dead_code)]
  14 #![deny(non_snake_case)]
  15
  16 mod foo {
  17     pub enum Foo { Foo }
  18 }
  19
  20 struct Something {
  21     X: usize //~ ERROR structure field `X` should have a snake case name such as `x`
  22 }
  23
  24 fn test(Xx: usize) { //~ ERROR variable `Xx` should have a snake case name such as `xx`
  25     println!("{}", Xx);
  26 }
  27
  28 fn main() {
  29     let Test: usize = 0; //~ ERROR variable `Test` should have a snake case name such as `test`
  30     println!("{}", Test);
  31
  32     match foo::Foo::Foo {
  33         Foo => {}
  34 //~^ ERROR variable `Foo` should have a snake case name such as `foo`
  35 //~^^ WARN `Foo` is named the same as one of the variants of the type `foo::Foo`
  36 //~^^^ WARN unused variable: `Foo`
  37     }
  38
  39     test(1);
  40
  41     let _ = Something { X: 0 };
  42 }
  43