Type Alias open62541_sys::UA_HistoricalIteratorCallback

source ·
pub type UA_HistoricalIteratorCallback = Option<unsafe extern "C" fn(client: *mut UA_Client, nodeId: *const UA_NodeId, moreDataAvailable: UA_Boolean, data: *const UA_ExtensionObject, callbackContext: *mut c_void) -> UA_Boolean>;

Aliased Type§

enum UA_HistoricalIteratorCallback {
    None,
    Some(unsafe extern "C" fn(_: *mut UA_Client, _: *const UA_NodeId, _: bool, _: *const UA_ExtensionObject, _: *mut c_void) -> bool),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "C" fn(_: *mut UA_Client, _: *const UA_NodeId, _: bool, _: *const UA_ExtensionObject, _: *mut c_void) -> bool)

Some value of type T.