Function nstd_sys::shared_ptr::nstd_shared_ptr_share

#[no_mangle]
pub extern "C" fn nstd_shared_ptr_share<'a>(
    shared_ptr: &NSTDSharedPtr<'a>
) -> NSTDSharedPtr<'a>

Available on crate feature shared_ptr only.

Shares shared_ptr.

Parameters:

• const NSTDSharedPtr *shared_ptr - The shared object to share.

Returns

NSTDSharedPtr shared - A new pointer pointing to the shared data.

Example

use core::ptr::addr_of;
use nstd_sys::{
    alloc::NSTD_ALLOCATOR,
    shared_ptr::{nstd_shared_ptr_get, nstd_shared_ptr_new, nstd_shared_ptr_share},
};

const SIZE: usize = core::mem::size_of::<u64>();

unsafe {
    let v = 39u64;
    let share;
    {
        let addr = addr_of!(v).cast();
        let shared_ptr = nstd_shared_ptr_new(&NSTD_ALLOCATOR, SIZE, addr).unwrap();
        share = nstd_shared_ptr_share(&shared_ptr);
    }
    assert!(*nstd_shared_ptr_get(&share).cast::<u64>() == v);
}