Type Alias im_generate_fn 

pub type im_generate_fn = Option<unsafe extern "C" fn(out: *mut VipsRegion, seq: *mut c_void, a: *mut c_void, b: *mut c_void) -> c_int>;

Aliased Type

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

Variants

None

No value.

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

Some value of type T.