INNER CODE UNIT · Rust

to_handle

deepjavalibrary/djl · extensions/tokenizers/rust/src/lib.rs:926

fn to_handle<T: 'static>(val: T) -> jlong {
    let handle = Box::into_raw(Box::new(val)) as jlong;
    handle
}

fn cast_handle<T>(handle: jlong) -> &'static mut T {
    assert_ne!(handle, 0, "Invalid handle value");

    let ptr = handle as *mut T;
    unsafe { &mut *ptr }
}

fn drop_handle<T: 'static>(handle: jlong) {
    unsafe {
        let _ = Box::from_raw(handle as *mut T);
    }
}

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