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shawn khah
15,082 Pointscan't solve challange 2 of 2
Challenge Task 2 of 2
In Increment.cs create a class named Increment that implements the IUnaryOperation interface. The Perform method should increment the value passed in by one. Important: In each task of this code challenge, the code you write should be added to the code from the previous task. Restart Preview Get Help Check Work IUnaryOperation.cs Increment.cs
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namespace Treehouse.CodeChallenges
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{
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public class Increment : IUnaryOperation {
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ā
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public double Perform(double value) {
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return value += 1;
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}
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}
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}
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ā
namespace Treehouse.CodeChallenges
{
interface IUnaryOperation
{
double Perform(double value);
}
}
namespace Treehouse.CodeChallenges
{
public class Increment : IUnaryOperation {
public double Perform(double value) {
return value += 1;
}
}
}
2 Answers
Steven Parker
231,198 PointsYour code looks fine, and it passes the challenge. Good job. 
You didn't mention what kind of problem you were having. But I suggest you try again, and simply paste the answer from above into the challenge (that's what I did, and it passed).
shawn khah
15,082 Pointsthanks steven
Ricardo Ferreira
9,694 PointsRicardo Ferreira
9,694 PointsWhy would you implement the interface when the method in the class seems like a regular method.