error[E0308]: mismatched types
  --> $DIR/suggest-null-ptr.rs:18:13
   |
LL |         foo(0);
   |         --- ^ expected `*const u8`, found `usize`
   |         |
   |         arguments to this function are incorrect
   |
   = note: expected raw pointer `*const u8`
                     found type `usize`
note: function defined here
  --> $DIR/suggest-null-ptr.rs:7:8
   |
LL |     fn foo(ptr: *const u8);
   |        ^^^
help: if you meant to create a null pointer, use `std::ptr::null()`
   |
LL |         foo(std::ptr::null());
   |             ~~~~~~~~~~~~~~~~

error[E0308]: mismatched types
  --> $DIR/suggest-null-ptr.rs:21:17
   |
LL |         foo_mut(0);
   |         ------- ^ expected `*mut u8`, found `usize`
   |         |
   |         arguments to this function are incorrect
   |
   = note: expected raw pointer `*mut u8`
                     found type `usize`
note: function defined here
  --> $DIR/suggest-null-ptr.rs:9:8
   |
LL |     fn foo_mut(ptr: *mut u8);
   |        ^^^^^^^
help: if you meant to create a null pointer, use `std::ptr::null_mut()`
   |
LL |         foo_mut(std::ptr::null_mut());
   |                 ~~~~~~~~~~~~~~~~~~~~

error[E0308]: mismatched types
  --> $DIR/suggest-null-ptr.rs:24:15
   |
LL |         usize(0);
   |         ----- ^ expected `*const usize`, found `usize`
   |         |
   |         arguments to this function are incorrect
   |
   = note: expected raw pointer `*const usize`
                     found type `usize`
note: function defined here
  --> $DIR/suggest-null-ptr.rs:11:8
   |
LL |     fn usize(ptr: *const usize);
   |        ^^^^^
help: if you meant to create a null pointer, use `std::ptr::null()`
   |
LL |         usize(std::ptr::null());
   |               ~~~~~~~~~~~~~~~~

error[E0308]: mismatched types
  --> $DIR/suggest-null-ptr.rs:27:19
   |
LL |         usize_mut(0);
   |         --------- ^ expected `*mut usize`, found `usize`
   |         |
   |         arguments to this function are incorrect
   |
   = note: expected raw pointer `*mut usize`
                     found type `usize`
note: function defined here
  --> $DIR/suggest-null-ptr.rs:13:8
   |
LL |     fn usize_mut(ptr: *mut usize);
   |        ^^^^^^^^^
help: if you meant to create a null pointer, use `std::ptr::null_mut()`
   |
LL |         usize_mut(std::ptr::null_mut());
   |                   ~~~~~~~~~~~~~~~~~~~~

error: aborting due to 4 previous errors

For more information about this error, try `rustc --explain E0308`.