71 lines
1.3 KiB
Rust
71 lines
1.3 KiB
Rust
const fn foo(ptr: *const u8) -> usize {
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unsafe {
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std::mem::transmute(ptr)
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//~^ WARN pointers cannot be transmuted to integers
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}
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}
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trait Human {
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const ID: usize = {
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let value = 10;
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let ptr: *const usize = &value;
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unsafe {
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std::mem::transmute(ptr)
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//~^ WARN pointers cannot be transmuted to integers
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}
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};
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fn id_plus_one() -> usize {
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Self::ID + 1
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}
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}
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struct Type<T>(T);
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impl<T> Type<T> {
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const ID: usize = {
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let value = 10;
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let ptr: *const usize = &value;
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unsafe {
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std::mem::transmute(ptr)
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//~^ WARN pointers cannot be transmuted to integers
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}
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};
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fn id_plus_one() -> usize {
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Self::ID + 1
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}
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}
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fn control(ptr: *const u8) -> usize {
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unsafe {
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std::mem::transmute(ptr)
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}
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}
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struct ControlStruct;
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impl ControlStruct {
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fn new() -> usize {
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let value = 10;
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let ptr: *const i32 = &value;
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unsafe {
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std::mem::transmute(ptr)
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}
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}
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}
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const fn zoom(ptr: *const u8) -> usize {
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unsafe {
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std::mem::transmute(ptr)
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//~^ WARN pointers cannot be transmuted to integers
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}
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}
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fn main() {
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const a: u8 = 10;
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const value: usize = zoom(&a);
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//~^ ERROR evaluation of constant value failed
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}
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