Type Alias MDBX_debug_func 

pub type MDBX_debug_func = Option<unsafe extern "C" fn(loglevel: MDBX_log_level_t, function: *const c_char, line: c_int, fmt: *const c_char, args: va_list)>;

Aliased Type

pub enum MDBX_debug_func {
    None,
    Some(unsafe extern "C" fn(i32, *const i8, i32, *const i8, *mut i8)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(i32, *const i8, i32, *const i8, *mut i8))

Some value of type T.