hello_world.qs

/// This Q# code generates a random bit by setting a qubit in a superposition of
/// the computational basis states |0〉 and |1〉, and returning the measurement result.
namespace QuantumHelloWorld {

    @EntryPoint()
    operation RandomBit() : Result {
        Message("Hello world!");
        use qubit = Qubit();

        // Set the qubit in superposition by applying a Hadamard transformation.
        H(qubit);

        // Measure the qubit. There is a 50% probability of measuring either `Zero` or `One`.
        let result = M(qubit);

        // Reset the qubit so it can be safely released.
        Reset(qubit);
        return result;
    }
}