Perform the Hadamard operation on the qubit. This operation is also known as Hadamard-Walsh and the square root of not.
Assembly: Cove.LocalSimulation (Module: Cove.LocalSimulation) Version: 18.104.22.168 (22.214.171.124)
The set (OperationHadamard, OperationTGate) is universal for 1-qubit gates  P. Kayne, R. Laflamme, and M. Mosca, An Introduction to Quantum Computing. New York City, New York: Oxford University Press, 2007.