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As with return, out is a very useful keyword, but it can lead to errors if used incorrectly. Here are two common ones:

This error means that the out parameter needs to be assigned a value within the method:

error CS0177: The out parameter 'success' must be assigned to before control leaves the current method

This error means you called a method that expects an ‘out’ parameter but you didn’t use the out keyword when calling it:

error CS1620: Argument 2 must be passed with the 'out' keyword

Instructions

1.

This code has a bunch of errors! Run the code to find them.

2.

Fix the first error by using out when calling Whisper().

3.

Fix the second error by assigning a value to the out parameter wasWhisperCalled in the method body of Whisper().

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