Type Alias AnvilSettingCallback 

pub type AnvilSettingCallback = Option<unsafe extern "C" fn(setting: AnvilSetting, context: *mut c_void)>;

Aliased Type

pub enum AnvilSettingCallback {
    None,
    Some(unsafe extern "C" fn(u32, *mut c_void)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(u32, *mut c_void))

Some value of type T.