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