src/test/ui/lint/lint-uppercase-variables.rs

   1 #![warn(unused)]
   2 #![allow(dead_code)]
   3 #![deny(non_snake_case)]
   4
   5 mod foo {
   6     pub enum Foo { Foo }
   7 }
   8
   9 struct Something {
  10     X: usize //~ ERROR structure field `X` should have a snake case name
  11 }
  12
  13 fn test(Xx: usize) { //~ ERROR variable `Xx` should have a snake case name
  14     println!("{}", Xx);
  15 }
  16
  17 fn main() {
  18     let Test: usize = 0; //~ ERROR variable `Test` should have a snake case name
  19     println!("{}", Test);
  20
  21     match foo::Foo::Foo {
  22         Foo => {}
  23 //~^ ERROR variable `Foo` should have a snake case name
  24 //~^^ WARN `Foo` is named the same as one of the variants of the type `Foo`
  25 //~^^^ WARN unused variable: `Foo`
  26     }
  27
  28     let Foo = foo::Foo::Foo;
  29     //~^ ERROR variable `Foo` should have a snake case name
  30     //~^^ WARN `Foo` is named the same as one of the variants of the type `Foo`
  31     //~^^^ WARN unused variable: `Foo`
  32
  33     fn in_param(Foo: foo::Foo) {}
  34     //~^ ERROR variable `Foo` should have a snake case name
  35     //~^^ WARN `Foo` is named the same as one of the variants of the type `Foo`
  36     //~^^^ WARN unused variable: `Foo`
  37
  38     test(1);
  39
  40     let _ = Something { X: 0 };
  41 }