Function dart_sys::Dart_ObjectIsType

pub unsafe extern "C" fn Dart_ObjectIsType(
    object: Dart_Handle, 
    type_: Dart_Handle, 
    instanceof: *mut bool
) -> Dart_Handle

Is this object an instance of some type?

The result of the test is returned through the 'instanceof' parameter. The return value itself is used to indicate success or failure.

\param object An object. \param type A type. \param instanceof Return true if 'object' is an instance of type 'type'.

\return A valid handle if no error occurs during the operation.