src/test/ui/lint/noop-method-call.stderr

   1 warning: call to `.clone()` on a reference in this situation does nothing
   2   --> $DIR/noop-method-call.rs:16:71
   3    |
   4 LL |     let non_clone_type_ref_clone: &PlainType<u32> = non_clone_type_ref.clone();
   5    |                                                                       ^^^^^^^^ unnecessary method call
   6    |
   7 note: the lint level is defined here
   8   --> $DIR/noop-method-call.rs:4:9
   9    |
  10 LL | #![warn(noop_method_call)]
  11    |         ^^^^^^^^^^^^^^^^
  12    = note: the type `&PlainType<u32>` which `clone` is being called on is the same as the type returned from `clone`, so the method call does not do anything and can be removed
  13
  14 warning: call to `.deref()` on a reference in this situation does nothing
  15   --> $DIR/noop-method-call.rs:28:63
  16    |
  17 LL |     let non_deref_type_deref: &PlainType<u32> = non_deref_type.deref();
  18    |                                                               ^^^^^^^^ unnecessary method call
  19    |
  20    = note: the type `&PlainType<u32>` which `deref` is being called on is the same as the type returned from `deref`, so the method call does not do anything and can be removed
  21
  22 warning: call to `.borrow()` on a reference in this situation does nothing
  23   --> $DIR/noop-method-call.rs:36:66
  24    |
  25 LL |     let non_borrow_type_borrow: &PlainType<u32> = non_borrow_type.borrow();
  26    |                                                                  ^^^^^^^^^ unnecessary method call
  27    |
  28    = note: the type `&PlainType<u32>` which `borrow` is being called on is the same as the type returned from `borrow`, so the method call does not do anything and can be removed
  29
  30 warning: call to `.clone()` on a reference in this situation does nothing
  31   --> $DIR/noop-method-call.rs:52:19
  32    |
  33 LL |     non_clone_type.clone();
  34    |                   ^^^^^^^^ unnecessary method call
  35    |
  36    = note: the type `&PlainType<u32>` which `clone` is being called on is the same as the type returned from `clone`, so the method call does not do anything and can be removed
  37
  38 warning: 4 warnings emitted
  39