#[repr(C)]
pub struct GActionInterface {
    pub g_iface: GTypeInterface,
    pub get_name: Option<unsafe extern "C" fn(_: *mut GAction) -> *const c_char>,
    pub get_parameter_type: Option<unsafe extern "C" fn(_: *mut GAction) -> *const GVariantType>,
    pub get_state_type: Option<unsafe extern "C" fn(_: *mut GAction) -> *const GVariantType>,
    pub get_state_hint: Option<unsafe extern "C" fn(_: *mut GAction) -> *mut GVariant>,
    pub get_enabled: Option<unsafe extern "C" fn(_: *mut GAction) -> gboolean>,
    pub get_state: Option<unsafe extern "C" fn(_: *mut GAction) -> *mut GVariant>,
    pub change_state: Option<unsafe extern "C" fn(_: *mut GAction, _: *mut GVariant)>,
    pub activate: Option<unsafe extern "C" fn(_: *mut GAction, _: *mut GVariant)>,
}
Fields
                           
                           g_iface: GTypeInterface
                           
                           
                           get_name: Option<unsafe extern "C" fn(_: *mut GAction) -> *const c_char>
                           
                           
                           get_parameter_type: Option<unsafe extern "C" fn(_: *mut GAction) -> *const GVariantType>
                           
                           
                           get_state_type: Option<unsafe extern "C" fn(_: *mut GAction) -> *const GVariantType>
                           
                           
                           get_state_hint: Option<unsafe extern "C" fn(_: *mut GAction) -> *mut GVariant>
                           
                           
                           get_enabled: Option<unsafe extern "C" fn(_: *mut GAction) -> gboolean>
                           
                           
                           get_state: Option<unsafe extern "C" fn(_: *mut GAction) -> *mut GVariant>
                           
                           
                           change_state: Option<unsafe extern "C" fn(_: *mut GAction, _: *mut GVariant)>
                           
                           
                           activate: Option<unsafe extern "C" fn(_: *mut GAction, _: *mut GVariant)>