Type Alias GOptionErrorFunc 

pub type GOptionErrorFunc = Option<unsafe extern "C" fn(*mut _GOptionContext, *mut _GOptionGroup, *mut c_void, *mut *mut _GError)>;

GOptionErrorFunc: @context: The active #GOptionContext @group: The group to which the function belongs @data: User data added to the #GOptionGroup containing the option when it was created with g_option_group_new() @error: The #GError containing details about the parse error

The type of function to be used as callback when a parse error occurs.

Aliased Type

pub enum GOptionErrorFunc {
    None,
    Some(unsafe extern "C" fn(*mut _GOptionContext, *mut _GOptionGroup, *mut c_void, *mut *mut _GError)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut _GOptionContext, *mut _GOptionGroup, *mut c_void, *mut *mut _GError))

Some value of type T.