Graphics::LVGL

Type Alias lv_draw_buf_cache_operation_cb

Source 
pub type lv_draw_buf_cache_operation_cb = Option<unsafe extern "C" fn(_: *const lv_draw_buf_t, _: *const lv_area_t)>;

Aliased Type§

enum lv_draw_buf_cache_operation_cb {
    None,
    Some(unsafe extern "C" fn(_: *const lv_draw_buf_t, _: *const lv_area_t)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(_: *const lv_draw_buf_t, _: *const lv_area_t))

Some value of type T.