Type Alias readstat_data_writer 

pub type readstat_data_writer = Option<unsafe extern "C" fn(data: *const c_void, len: usize, ctx: *mut c_void) -> isize>;

Aliased Type

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

Variants

None

No value.

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

Some value of type T.