Type Alias WriteByteHook 

pub type WriteByteHook = Option<unsafe extern "C" fn(arg1: *mut Image, arg2: magick_uint8_t, info: *mut c_void) -> c_uint>;

Aliased Type

pub enum WriteByteHook {
    None,
    Some(unsafe extern "C" fn(*mut _Image, u8, *mut c_void) -> u32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut _Image, u8, *mut c_void) -> u32)

Some value of type T.