mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-27 07:00:55 +00:00
225 lines
7.2 KiB
Text
225 lines
7.2 KiB
Text
error: transmute from a type (`&'a T`) to itself
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--> $DIR/transmute.rs:22:20
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22 | let _: &'a T = core::intrinsics::transmute(t);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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note: lint level defined here
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--> $DIR/transmute.rs:20:8
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20 | #[deny(useless_transmute)]
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| ^^^^^^^^^^^^^^^^^
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error: transmute from a reference to a pointer
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--> $DIR/transmute.rs:27:23
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27 | let _: *const T = core::intrinsics::transmute(t);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: try
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| let _: *const T = t as *const T;
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error: transmute from a reference to a pointer
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--> $DIR/transmute.rs:32:21
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32 | let _: *mut T = core::intrinsics::transmute(t);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: try
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| let _: *mut T = t as *const T as *mut T;
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error: transmute from a reference to a pointer
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--> $DIR/transmute.rs:37:23
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37 | let _: *const U = core::intrinsics::transmute(t);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: try
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| let _: *const U = t as *const T as *const U;
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error: transmute from a pointer type (`*const T`) to a reference type (`&T`)
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--> $DIR/transmute.rs:45:17
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45 | let _: &T = std::mem::transmute(p);
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| ^^^^^^^^^^^^^^^^^^^^^^
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note: lint level defined here
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--> $DIR/transmute.rs:43:8
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43 | #[deny(transmute_ptr_to_ref)]
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| ^^^^^^^^^^^^^^^^^^^^
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help: try
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| let _: &T = &*p;
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error: transmute from a pointer type (`*mut T`) to a reference type (`&mut T`)
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--> $DIR/transmute.rs:51:21
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51 | let _: &mut T = std::mem::transmute(m);
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| ^^^^^^^^^^^^^^^^^^^^^^
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help: try
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| let _: &mut T = &mut *m;
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error: transmute from a pointer type (`*mut T`) to a reference type (`&T`)
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--> $DIR/transmute.rs:57:17
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57 | let _: &T = std::mem::transmute(m);
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| ^^^^^^^^^^^^^^^^^^^^^^
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help: try
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| let _: &T = &*m;
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error: transmute from a pointer type (`*mut T`) to a reference type (`&mut T`)
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--> $DIR/transmute.rs:63:21
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63 | let _: &mut T = std::mem::transmute(p as *mut T);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: try
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| let _: &mut T = &mut *(p as *mut T);
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error: transmute from a pointer type (`*const U`) to a reference type (`&T`)
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--> $DIR/transmute.rs:69:17
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69 | let _: &T = std::mem::transmute(o);
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| ^^^^^^^^^^^^^^^^^^^^^^
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help: try
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| let _: &T = &*(o as *const T);
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error: transmute from a pointer type (`*mut U`) to a reference type (`&mut T`)
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--> $DIR/transmute.rs:75:21
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75 | let _: &mut T = std::mem::transmute(om);
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| ^^^^^^^^^^^^^^^^^^^^^^^
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help: try
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| let _: &mut T = &mut *(om as *mut T);
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error: transmute from a pointer type (`*mut U`) to a reference type (`&T`)
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--> $DIR/transmute.rs:81:17
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81 | let _: &T = std::mem::transmute(om);
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| ^^^^^^^^^^^^^^^^^^^^^^^
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help: try
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| let _: &T = &*(om as *const T);
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error: transmute from a pointer type (`*const i32`) to a reference type (`&issue1231::Foo<'_, u8>`)
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--> $DIR/transmute.rs:95:32
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95 | let _: &Foo<u8> = unsafe { std::mem::transmute::<_, &Foo<_>>(raw) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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note: lint level defined here
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--> $DIR/transmute.rs:88:8
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88 | #[deny(transmute_ptr_to_ref)]
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| ^^^^^^^^^^^^^^^^^^^^
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help: try
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| let _: &Foo<u8> = unsafe { &*(raw as *const Foo<_>) };
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error: transmute from a pointer type (`*const i32`) to a reference type (`&issue1231::Foo<'_, &u8>`)
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--> $DIR/transmute.rs:100:33
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100 | let _: &Foo<&u8> = unsafe { std::mem::transmute::<_, &Foo<&_>>(raw) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: try
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| let _: &Foo<&u8> = unsafe { &*(raw as *const Foo<&_>) };
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error: transmute from a pointer type (`*const i32`) to a reference type (`&u8`)
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--> $DIR/transmute.rs:107:14
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107 | unsafe { std::mem::transmute::<_, Bar>(raw) };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: try
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| unsafe { &*(raw as *const u8) };
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error: transmute from a type (`std::vec::Vec<i32>`) to itself
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--> $DIR/transmute.rs:116:27
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116 | let _: Vec<i32> = core::intrinsics::transmute(my_vec());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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note: lint level defined here
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--> $DIR/transmute.rs:113:8
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113 | #[deny(useless_transmute)]
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| ^^^^^^^^^^^^^^^^^
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error: transmute from a type (`std::vec::Vec<i32>`) to itself
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--> $DIR/transmute.rs:119:27
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119 | let _: Vec<i32> = core::mem::transmute(my_vec());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: transmute from a type (`std::vec::Vec<i32>`) to itself
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--> $DIR/transmute.rs:122:27
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122 | let _: Vec<i32> = std::intrinsics::transmute(my_vec());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: transmute from a type (`std::vec::Vec<i32>`) to itself
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--> $DIR/transmute.rs:125:27
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125 | let _: Vec<i32> = std::mem::transmute(my_vec());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: transmute from a type (`std::vec::Vec<i32>`) to itself
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--> $DIR/transmute.rs:128:27
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128 | let _: Vec<i32> = my_transmute(my_vec());
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| ^^^^^^^^^^^^^^^^^^^^^^
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error: transmute from an integer to a pointer
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--> $DIR/transmute.rs:137:31
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137 | let _: *const usize = std::mem::transmute(5_isize);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: try
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| let _: *const usize = 5_isize as *const usize;
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error: transmute from an integer to a pointer
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--> $DIR/transmute.rs:143:31
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143 | let _: *const usize = std::mem::transmute(1+1usize);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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help: try
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| let _: *const usize = (1+1usize) as *const usize;
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error: transmute from a type (`*const Usize`) to the type that it points to (`Usize`)
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--> $DIR/transmute.rs:160:24
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160 | let _: Usize = core::intrinsics::transmute(int_const_ptr);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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note: lint level defined here
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--> $DIR/transmute.rs:153:8
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153 | #[deny(crosspointer_transmute)]
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| ^^^^^^^^^^^^^^^^^^^^^^
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error: transmute from a type (`*mut Usize`) to the type that it points to (`Usize`)
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--> $DIR/transmute.rs:163:24
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163 | let _: Usize = core::intrinsics::transmute(int_mut_ptr);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: transmute from a type (`Usize`) to a pointer to that type (`*const Usize`)
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--> $DIR/transmute.rs:166:31
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166 | let _: *const Usize = core::intrinsics::transmute(my_int());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: transmute from a type (`Usize`) to a pointer to that type (`*mut Usize`)
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--> $DIR/transmute.rs:169:29
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169 | let _: *mut Usize = core::intrinsics::transmute(my_int());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: aborting due to 25 previous errors
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