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