Hadamard operation H

A simple example is the following program, which allocates one qubit in the  | 0 ⟩  state, then applies a Hadamard operation H to it and measures the result in the PauliZ basis.

PauliZ.qs

@@ -0,0 +1,17 @@
+@EntryPoint()
+operation MeasureOneQubit() : Result {
+    // The following using block creates a fresh qubit and initializes it
+    // in the |0〉 state.
+    use qubit = Qubit();
+    // We apply a Hadamard operation H to the state, thereby preparing the
+    // state 1 / sqrt(2) (|0〉 + |1〉).
+    H(qubit);
+    // Now we measure the qubit in Z-basis.
+    let result = M(qubit);
+    // As the qubit is now in an eigenstate of the measurement operator,
+    // we reset the qubit before releasing it.
+    if result == One { X(qubit); }
+    // Finally, we return the result of the measurement.
+    return result;
+
+}