Type Alias GtkListBoxSortFunc 

pub type GtkListBoxSortFunc = Option<unsafe extern "C" fn(*mut GtkListBoxRow, *mut GtkListBoxRow, gpointer) -> c_int>;

Aliased Type

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

Variants

None

No value.

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

Some value of type T.