Type Alias span_alloc_t 

pub type span_alloc_t = Option<unsafe extern "C" fn(size: usize) -> *mut c_void>;

Aliased Type

pub enum span_alloc_t {
    None,
    Some(unsafe extern "C" fn(usize) -> *mut c_void),
}

Variants

None

No value.

Some(unsafe extern "C" fn(usize) -> *mut c_void)

Some value of type T.