Type Alias JCompareFunc 

pub type JCompareFunc = Option<unsafe extern "C" fn(*mut c_void, *mut c_void) -> i32>;

Aliased Type

pub enum JCompareFunc {
    None,
    Some(unsafe extern "C" fn(*mut c_void, *mut c_void) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void, *mut c_void) -> i32)

Some value of type T.