src/test/ui/lint/dead-code/issue-85255.rs

   1 // Unused `pub` fields in non-`pub` structs should also trigger dead code warnings.
   2 // check-pass
   3
   4 #![warn(dead_code)]
   5
   6 struct Foo {
   7     a: i32, //~ WARNING: fields `a` and `b` are never read
   8     pub b: i32,
   9 }
  10
  11 struct Bar;
  12
  13 impl Bar {
  14     fn a(&self) -> i32 { 5 } //~ WARNING: associated function `a` is never used
  15     pub fn b(&self) -> i32 { 6 } //~ WARNING: associated function `b` is never used
  16 }
  17
  18 pub(crate) struct Foo1 {
  19     a: i32, //~ WARNING: fields `a` and `b` are never read
  20     pub b: i32,
  21 }
  22
  23 pub(crate) struct Bar1;
  24
  25 impl Bar1 {
  26     fn a(&self) -> i32 { 5 } //~ WARNING: associated function `a` is never used
  27     pub fn b(&self) -> i32 { 6 } //~ WARNING: associated function `b` is never used
  28 }
  29
  30 pub(crate) struct Foo2 {
  31     a: i32, //~ WARNING: fields `a` and `b` are never read
  32     pub b: i32,
  33 }
  34
  35 pub(crate) struct Bar2;
  36
  37 impl Bar2 {
  38     fn a(&self) -> i32 { 5 } //~ WARNING: associated function `a` is never used
  39     pub fn b(&self) -> i32 { 6 } //~ WARNING: associated function `b` is never used
  40 }
  41
  42
  43 fn main() {
  44     let _ = Foo { a: 1, b: 2 };
  45     let _ = Bar;
  46     let _ = Foo1 { a: 1, b: 2 };
  47     let _ = Bar1;
  48     let _ = Foo2 { a: 1, b: 2 };
  49     let _ = Bar2;
  50 }