| //@run-rustfix |
| //@aux-build:proc_macros.rs:proc-macro |
| |
| #![warn(clippy::ptr_as_ptr)] |
| |
| #[macro_use] |
| extern crate proc_macros; |
| |
| mod issue_11278_a { |
| #[derive(Debug)] |
| pub struct T<D: std::fmt::Debug + ?Sized> { |
| pub p: D, |
| } |
| } |
| |
| mod issue_11278_b { |
| pub fn f(o: &mut super::issue_11278_a::T<dyn std::fmt::Debug>) -> super::issue_11278_a::T<String> { |
| // Retain `super` |
| *unsafe { Box::from_raw(Box::into_raw(Box::new(o)) as *mut super::issue_11278_a::T<String>) } |
| } |
| } |
| |
| #[inline_macros] |
| fn main() { |
| let ptr: *const u32 = &42_u32; |
| let mut_ptr: *mut u32 = &mut 42_u32; |
| |
| let _ = ptr as *const i32; |
| let _ = mut_ptr as *mut i32; |
| |
| // Make sure the lint can handle the difference in their operator precedences. |
| unsafe { |
| let ptr_ptr: *const *const u32 = &ptr; |
| let _ = *ptr_ptr as *const i32; |
| } |
| |
| // Changes in mutability. Do not lint this. |
| let _ = ptr as *mut i32; |
| let _ = mut_ptr as *const i32; |
| |
| // `pointer::cast` cannot perform unsized coercions unlike `as`. Do not lint this. |
| let ptr_of_array: *const [u32; 4] = &[1, 2, 3, 4]; |
| let _ = ptr_of_array as *const [u32]; |
| let _ = ptr_of_array as *const dyn std::fmt::Debug; |
| |
| // Ensure the lint doesn't produce unnecessary turbofish for inferred types. |
| let _: *const i32 = ptr as *const _; |
| let _: *mut i32 = mut_ptr as _; |
| |
| // Make sure the lint is triggered inside a macro |
| let _ = inline!($ptr as *const i32); |
| |
| // Do not lint inside macros from external crates |
| let _ = external!($ptr as *const i32); |
| } |
| |
| #[clippy::msrv = "1.37"] |
| fn _msrv_1_37() { |
| let ptr: *const u32 = &42_u32; |
| let mut_ptr: *mut u32 = &mut 42_u32; |
| |
| // `pointer::cast` was stabilized in 1.38. Do not lint this |
| let _ = ptr as *const i32; |
| let _ = mut_ptr as *mut i32; |
| } |
| |
| #[clippy::msrv = "1.38"] |
| fn _msrv_1_38() { |
| let ptr: *const u32 = &42_u32; |
| let mut_ptr: *mut u32 = &mut 42_u32; |
| |
| let _ = ptr as *const i32; |
| let _ = mut_ptr as *mut i32; |
| } |