pub fn hint<T: Serialize>(value: &T) {
    let writer = SyscallWriter { fd: FD_HINT };
    bincode::serialize_into(writer, value).expect("serialization failed");
}
Hint a serializable object to the hint stream.

### Examples
```ignore
use serde::{Deserialize, Serialize};

#[derive(Serialize, Deserialize)]
struct MyStruct {
a: u32,
b: u32,
}

let data = MyStruct {
a: 1,
b: 2,
};
sp1_zkvm::io::hint(&data);
```
crates/zkvm/lib/src/io.rs