src/tools/clippy/tests/ui/match_ref_pats.stderr

   1 error: you don't need to add `&` to all patterns
   2   --> $DIR/match_ref_pats.rs:7:9
   3    |
   4 LL | /         match v {
   5 LL | |             &Some(v) => println!("{:?}", v),
   6 LL | |             &None => println!("none"),
   7 LL | |         }
   8    | |_________^
   9    |
  10    = note: `-D clippy::match-ref-pats` implied by `-D warnings`
  11 help: instead of prefixing all patterns with `&`, you can dereference the expression
  12    |
  13 LL ~         match *v {
  14 LL ~             Some(v) => println!("{:?}", v),
  15 LL ~             None => println!("none"),
  16    |
  17
  18 error: you don't need to add `&` to both the expression and the patterns
  19   --> $DIR/match_ref_pats.rs:24:5
  20    |
  21 LL | /     match &w {
  22 LL | |         &Some(v) => println!("{:?}", v),
  23 LL | |         &None => println!("none"),
  24 LL | |     }
  25    | |_____^
  26    |
  27 help: try
  28    |
  29 LL ~     match w {
  30 LL ~         Some(v) => println!("{:?}", v),
  31 LL ~         None => println!("none"),
  32    |
  33
  34 error: redundant pattern matching, consider using `is_none()`
  35   --> $DIR/match_ref_pats.rs:36:12
  36    |
  37 LL |     if let &None = a {
  38    |     -------^^^^^---- help: try this: `if a.is_none()`
  39    |
  40    = note: `-D clippy::redundant-pattern-matching` implied by `-D warnings`
  41
  42 error: redundant pattern matching, consider using `is_none()`
  43   --> $DIR/match_ref_pats.rs:41:12
  44    |
  45 LL |     if let &None = &b {
  46    |     -------^^^^^----- help: try this: `if b.is_none()`
  47
  48 error: you don't need to add `&` to all patterns
  49   --> $DIR/match_ref_pats.rs:101:9
  50    |
  51 LL | /         match foobar_variant!(0) {
  52 LL | |             &FooBar::Foo => println!("Foo"),
  53 LL | |             &FooBar::Bar => println!("Bar"),
  54 LL | |             &FooBar::FooBar => println!("FooBar"),
  55 LL | |             _ => println!("Wild"),
  56 LL | |         }
  57    | |_________^
  58    |
  59 help: instead of prefixing all patterns with `&`, you can dereference the expression
  60    |
  61 LL ~         match *foobar_variant!(0) {
  62 LL ~             FooBar::Foo => println!("Foo"),
  63 LL ~             FooBar::Bar => println!("Bar"),
  64 LL ~             FooBar::FooBar => println!("FooBar"),
  65    |
  66
  67 error: aborting due to 5 previous errors
  68