mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-23 21:23:56 +00:00
110 lines
2.5 KiB
Rust
110 lines
2.5 KiB
Rust
#![warn(clippy::ref_as_ptr)]
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#![allow(clippy::unnecessary_mut_passed)]
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fn main() {
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let _ = &1u8 as *const _;
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let _ = &2u32 as *const u32;
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let _ = &3.0f64 as *const f64;
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let _ = &4 as *const _ as *const f32;
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let _ = &5.0f32 as *const f32 as *const u32;
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let _ = &mut 6u8 as *const _;
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let _ = &mut 7u32 as *const u32;
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let _ = &mut 8.0f64 as *const f64;
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let _ = &mut 9 as *const _ as *const f32;
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let _ = &mut 10.0f32 as *const f32 as *const u32;
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let _ = &mut 11u8 as *mut _;
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let _ = &mut 12u32 as *mut u32;
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let _ = &mut 13.0f64 as *mut f64;
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let _ = &mut 14 as *mut _ as *const f32;
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let _ = &mut 15.0f32 as *mut f32 as *const u32;
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let _ = &1u8 as *const _;
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let _ = &2u32 as *const u32;
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let _ = &3.0f64 as *const f64;
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let _ = &4 as *const _ as *const f32;
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let _ = &5.0f32 as *const f32 as *const u32;
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let val = 1;
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let _ = &val as *const _;
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let _ = &val as *const i32;
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let _ = &val as *const _ as *const f32;
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let _ = &val as *const i32 as *const f64;
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let mut val: u8 = 2;
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let _ = &mut val as *mut u8;
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let _ = &mut val as *mut _;
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let _ = &mut val as *const u8;
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let _ = &mut val as *const _;
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let _ = &mut val as *const u8 as *const f64;
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let _: *const Option<u8> = &mut val as *const _ as *const _;
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let _ = &std::array::from_fn(|i| i * i) as *const [usize; 7];
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let _ = &mut std::array::from_fn(|i| i * i) as *const [usize; 8];
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let _ = &mut std::array::from_fn(|i| i * i) as *mut [usize; 9];
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}
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#[clippy::msrv = "1.75"]
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fn _msrv_1_75() {
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let val = &42_i32;
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let mut_val = &mut 42_i32;
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// `std::ptr::from_{ref, mut}` was stabilized in 1.76. Do not lint this
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let _ = val as *const i32;
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let _ = mut_val as *mut i32;
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}
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#[clippy::msrv = "1.76"]
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fn _msrv_1_76() {
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let val = &42_i32;
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let mut_val = &mut 42_i32;
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let _ = val as *const i32;
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let _ = mut_val as *mut i32;
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}
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fn foo(val: &[u8]) {
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let _ = val as *const _;
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let _ = val as *const [u8];
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}
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fn bar(val: &mut str) {
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let _ = val as *mut _;
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let _ = val as *mut str;
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}
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struct X<'a>(&'a i32);
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impl<'a> X<'a> {
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fn foo(&self) -> *const i64 {
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self.0 as *const _ as *const _
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}
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fn bar(&mut self) -> *const i64 {
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self.0 as *const _ as *const _
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}
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}
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struct Y<'a>(&'a mut i32);
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impl<'a> Y<'a> {
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fn foo(&self) -> *const i64 {
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self.0 as *const _ as *const _
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}
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fn bar(&mut self) -> *const i64 {
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self.0 as *const _ as *const _
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}
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fn baz(&mut self) -> *const i64 {
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self.0 as *mut _ as *mut _
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}
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}
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