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https://github.com/rust-lang/rust-clippy
synced 2024-11-27 23:20:39 +00:00
add generics in test
This commit is contained in:
Centri3
parent
94e586e85d
commit
d2de5769a1
3 changed files with 89 additions and 39 deletions
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@ -1,7 +1,7 @@
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//@run-rustfix
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#![warn(clippy::unnecessary_cast)]
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#![allow(
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unused_must_use,
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unused,
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clippy::borrow_as_ptr,
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clippy::no_effect,
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clippy::nonstandard_macro_braces,
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@ -11,6 +11,14 @@
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type PtrConstU8 = *const u8;
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type PtrMutU8 = *mut u8;
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fn owo<T>(ptr: *const T) -> *const T {
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ptr
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}
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fn uwu<T, U>(ptr: *const T) -> *const U {
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ptr as *const U
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}
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#[rustfmt::skip]
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fn main() {
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// Test cast_unnecessary
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@ -25,6 +33,8 @@ fn main() {
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1_i32;
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1_f32;
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let _: *mut u8 = [1u8, 2].as_ptr() as *mut u8;
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[1u8, 2].as_ptr();
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[1u8, 2].as_ptr() as *mut u8;
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[1u8, 2].as_mut_ptr();
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@ -36,6 +46,9 @@ fn main() {
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let _: *const u8 = [1u8, 2].as_ptr() as _;
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let _: *mut u8 = [1u8, 2].as_mut_ptr() as _;
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owo::<u32>([1u32].as_ptr());
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uwu::<u32, u8>([1u32].as_ptr());
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// macro version
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macro_rules! foo {
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($a:ident, $b:ident) => {
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@ -1,7 +1,7 @@
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//@run-rustfix
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#![warn(clippy::unnecessary_cast)]
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#![allow(
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unused_must_use,
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unused,
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clippy::borrow_as_ptr,
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clippy::no_effect,
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clippy::nonstandard_macro_braces,
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@ -11,6 +11,14 @@
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type PtrConstU8 = *const u8;
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type PtrMutU8 = *mut u8;
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fn owo<T>(ptr: *const T) -> *const T {
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ptr as *const T
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}
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fn uwu<T, U>(ptr: *const T) -> *const U {
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ptr as *const U
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}
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#[rustfmt::skip]
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fn main() {
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// Test cast_unnecessary
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@ -25,6 +33,8 @@ fn main() {
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1_i32 as i32;
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1_f32 as f32;
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let _: *mut u8 = [1u8, 2].as_ptr() as *const u8 as *mut u8;
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[1u8, 2].as_ptr() as *const u8;
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[1u8, 2].as_ptr() as *mut u8;
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[1u8, 2].as_mut_ptr() as *mut u8;
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@ -36,6 +46,9 @@ fn main() {
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let _: *const u8 = [1u8, 2].as_ptr() as _;
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let _: *mut u8 = [1u8, 2].as_mut_ptr() as _;
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owo::<u32>([1u32].as_ptr()) as *const u32;
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uwu::<u32, u8>([1u32].as_ptr()) as *const u8;
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// macro version
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macro_rules! foo {
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($a:ident, $b:ident) => {
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@ -1,202 +1,226 @@
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error: casting integer literal to `i32` is unnecessary
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--> $DIR/unnecessary_cast.rs:17:5
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error: casting raw pointers to the same type and constness is unnecessary (`*const T` -> `*const T`)
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--> $DIR/unnecessary_cast.rs:15:5
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LL | 1i32 as i32;
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| ^^^^^^^^^^^ help: try: `1_i32`
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LL | ptr as *const T
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| ^^^^^^^^^^^^^^^ help: try: `ptr`
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= note: `-D clippy::unnecessary-cast` implied by `-D warnings`
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error: casting integer literal to `i32` is unnecessary
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--> $DIR/unnecessary_cast.rs:25:5
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LL | 1i32 as i32;
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| ^^^^^^^^^^^ help: try: `1_i32`
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error: casting float literal to `f32` is unnecessary
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--> $DIR/unnecessary_cast.rs:18:5
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--> $DIR/unnecessary_cast.rs:26:5
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LL | 1f32 as f32;
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| ^^^^^^^^^^^ help: try: `1_f32`
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error: casting to the same type is unnecessary (`bool` -> `bool`)
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--> $DIR/unnecessary_cast.rs:19:5
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--> $DIR/unnecessary_cast.rs:27:5
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LL | false as bool;
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| ^^^^^^^^^^^^^ help: try: `false`
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error: casting integer literal to `i32` is unnecessary
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--> $DIR/unnecessary_cast.rs:22:5
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--> $DIR/unnecessary_cast.rs:30:5
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LL | -1_i32 as i32;
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| ^^^^^^^^^^^^^ help: try: `-1_i32`
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error: casting integer literal to `i32` is unnecessary
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--> $DIR/unnecessary_cast.rs:23:5
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--> $DIR/unnecessary_cast.rs:31:5
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LL | - 1_i32 as i32;
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| ^^^^^^^^^^^^^^ help: try: `- 1_i32`
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error: casting float literal to `f32` is unnecessary
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--> $DIR/unnecessary_cast.rs:24:5
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--> $DIR/unnecessary_cast.rs:32:5
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LL | -1f32 as f32;
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| ^^^^^^^^^^^^ help: try: `-1_f32`
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error: casting integer literal to `i32` is unnecessary
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--> $DIR/unnecessary_cast.rs:25:5
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--> $DIR/unnecessary_cast.rs:33:5
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LL | 1_i32 as i32;
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| ^^^^^^^^^^^^ help: try: `1_i32`
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error: casting float literal to `f32` is unnecessary
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--> $DIR/unnecessary_cast.rs:26:5
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--> $DIR/unnecessary_cast.rs:34:5
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LL | 1_f32 as f32;
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| ^^^^^^^^^^^^ help: try: `1_f32`
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error: casting raw pointers to the same type and constness is unnecessary (`*const u8` -> `*const u8`)
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--> $DIR/unnecessary_cast.rs:28:5
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--> $DIR/unnecessary_cast.rs:36:22
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LL | let _: *mut u8 = [1u8, 2].as_ptr() as *const u8 as *mut u8;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `[1u8, 2].as_ptr()`
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error: casting raw pointers to the same type and constness is unnecessary (`*const u8` -> `*const u8`)
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--> $DIR/unnecessary_cast.rs:38:5
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LL | [1u8, 2].as_ptr() as *const u8;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `[1u8, 2].as_ptr()`
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error: casting raw pointers to the same type and constness is unnecessary (`*mut u8` -> `*mut u8`)
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--> $DIR/unnecessary_cast.rs:30:5
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--> $DIR/unnecessary_cast.rs:40:5
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LL | [1u8, 2].as_mut_ptr() as *mut u8;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `[1u8, 2].as_mut_ptr()`
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error: casting raw pointers to the same type and constness is unnecessary (`*const u32` -> `*const u32`)
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--> $DIR/unnecessary_cast.rs:49:5
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LL | owo::<u32>([1u32].as_ptr()) as *const u32;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `owo::<u32>([1u32].as_ptr())`
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error: casting raw pointers to the same type and constness is unnecessary (`*const u8` -> `*const u8`)
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--> $DIR/unnecessary_cast.rs:50:5
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LL | uwu::<u32, u8>([1u32].as_ptr()) as *const u8;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `uwu::<u32, u8>([1u32].as_ptr())`
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error: casting integer literal to `f32` is unnecessary
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--> $DIR/unnecessary_cast.rs:78:9
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--> $DIR/unnecessary_cast.rs:91:9
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LL | 100 as f32;
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| ^^^^^^^^^^ help: try: `100_f32`
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error: casting integer literal to `f64` is unnecessary
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--> $DIR/unnecessary_cast.rs:79:9
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--> $DIR/unnecessary_cast.rs:92:9
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LL | 100 as f64;
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| ^^^^^^^^^^ help: try: `100_f64`
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error: casting integer literal to `f64` is unnecessary
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--> $DIR/unnecessary_cast.rs:80:9
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--> $DIR/unnecessary_cast.rs:93:9
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LL | 100_i32 as f64;
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| ^^^^^^^^^^^^^^ help: try: `100_f64`
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error: casting integer literal to `f32` is unnecessary
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--> $DIR/unnecessary_cast.rs:81:17
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--> $DIR/unnecessary_cast.rs:94:17
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LL | let _ = -100 as f32;
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| ^^^^^^^^^^^ help: try: `-100_f32`
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error: casting integer literal to `f64` is unnecessary
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--> $DIR/unnecessary_cast.rs:82:17
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--> $DIR/unnecessary_cast.rs:95:17
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LL | let _ = -100 as f64;
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| ^^^^^^^^^^^ help: try: `-100_f64`
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error: casting integer literal to `f64` is unnecessary
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--> $DIR/unnecessary_cast.rs:83:17
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--> $DIR/unnecessary_cast.rs:96:17
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LL | let _ = -100_i32 as f64;
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| ^^^^^^^^^^^^^^^ help: try: `-100_f64`
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error: casting float literal to `f32` is unnecessary
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--> $DIR/unnecessary_cast.rs:84:9
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--> $DIR/unnecessary_cast.rs:97:9
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LL | 100. as f32;
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| ^^^^^^^^^^^ help: try: `100_f32`
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error: casting float literal to `f64` is unnecessary
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--> $DIR/unnecessary_cast.rs:85:9
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--> $DIR/unnecessary_cast.rs:98:9
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LL | 100. as f64;
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| ^^^^^^^^^^^ help: try: `100_f64`
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error: casting integer literal to `u32` is unnecessary
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--> $DIR/unnecessary_cast.rs:97:9
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--> $DIR/unnecessary_cast.rs:110:9
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LL | 1 as u32;
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| ^^^^^^^^ help: try: `1_u32`
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error: casting integer literal to `i32` is unnecessary
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--> $DIR/unnecessary_cast.rs:98:9
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--> $DIR/unnecessary_cast.rs:111:9
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LL | 0x10 as i32;
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| ^^^^^^^^^^^ help: try: `0x10_i32`
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error: casting integer literal to `usize` is unnecessary
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--> $DIR/unnecessary_cast.rs:99:9
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--> $DIR/unnecessary_cast.rs:112:9
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LL | 0b10 as usize;
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| ^^^^^^^^^^^^^ help: try: `0b10_usize`
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error: casting integer literal to `u16` is unnecessary
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--> $DIR/unnecessary_cast.rs:100:9
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--> $DIR/unnecessary_cast.rs:113:9
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LL | 0o73 as u16;
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| ^^^^^^^^^^^ help: try: `0o73_u16`
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error: casting integer literal to `u32` is unnecessary
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--> $DIR/unnecessary_cast.rs:101:9
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--> $DIR/unnecessary_cast.rs:114:9
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LL | 1_000_000_000 as u32;
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| ^^^^^^^^^^^^^^^^^^^^ help: try: `1_000_000_000_u32`
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error: casting float literal to `f64` is unnecessary
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--> $DIR/unnecessary_cast.rs:103:9
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--> $DIR/unnecessary_cast.rs:116:9
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LL | 1.0 as f64;
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| ^^^^^^^^^^ help: try: `1.0_f64`
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error: casting float literal to `f32` is unnecessary
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--> $DIR/unnecessary_cast.rs:104:9
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--> $DIR/unnecessary_cast.rs:117:9
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LL | 0.5 as f32;
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| ^^^^^^^^^^ help: try: `0.5_f32`
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error: casting integer literal to `i32` is unnecessary
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--> $DIR/unnecessary_cast.rs:108:17
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--> $DIR/unnecessary_cast.rs:121:17
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LL | let _ = -1 as i32;
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| ^^^^^^^^^ help: try: `-1_i32`
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error: casting float literal to `f32` is unnecessary
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--> $DIR/unnecessary_cast.rs:109:17
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--> $DIR/unnecessary_cast.rs:122:17
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LL | let _ = -1.0 as f32;
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| ^^^^^^^^^^^ help: try: `-1.0_f32`
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error: casting to the same type is unnecessary (`i32` -> `i32`)
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--> $DIR/unnecessary_cast.rs:115:18
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--> $DIR/unnecessary_cast.rs:128:18
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LL | let _ = &(x as i32);
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| ^^^^^^^^^^ help: try: `{ x }`
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error: casting integer literal to `i32` is unnecessary
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--> $DIR/unnecessary_cast.rs:121:22
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--> $DIR/unnecessary_cast.rs:134:22
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LL | let _: i32 = -(1) as i32;
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| ^^^^^^^^^^^ help: try: `-1_i32`
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error: casting integer literal to `i64` is unnecessary
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--> $DIR/unnecessary_cast.rs:123:22
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--> $DIR/unnecessary_cast.rs:136:22
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LL | let _: i64 = -(1) as i64;
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| ^^^^^^^^^^^ help: try: `-1_i64`
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error: casting float literal to `f64` is unnecessary
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--> $DIR/unnecessary_cast.rs:130:22
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--> $DIR/unnecessary_cast.rs:143:22
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LL | let _: f64 = (-8.0 as f64).exp();
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| ^^^^^^^^^^^^^ help: try: `(-8.0_f64)`
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error: casting float literal to `f64` is unnecessary
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--> $DIR/unnecessary_cast.rs:132:23
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--> $DIR/unnecessary_cast.rs:145:23
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LL | let _: f64 = -(8.0 as f64).exp(); // should suggest `-8.0_f64.exp()` here not to change code behavior
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| ^^^^^^^^^^^^ help: try: `8.0_f64`
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error: casting to the same type is unnecessary (`f32` -> `f32`)
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--> $DIR/unnecessary_cast.rs:140:20
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--> $DIR/unnecessary_cast.rs:153:20
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LL | let _num = foo() as f32;
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| ^^^^^^^^^^^^ help: try: `foo()`
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error: aborting due to 33 previous errors
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error: aborting due to 37 previous errors
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