Function dart_sys::Dart_SetLibraryTagHandler

pub unsafe extern "C" fn Dart_SetLibraryTagHandler(
    handler: Dart_LibraryTagHandler
) -> Dart_Handle

Sets library tag handler for the current isolate. This handler is used to handle the various tags encountered while loading libraries or scripts in the isolate.

\param handler Handler code to be used for handling the various tags encountered while loading libraries or scripts in the isolate.

\return If no error occurs, the handler is set for the isolate. Otherwise an error handle is returned.

TODO(turnidge): Document.