From the course: Advanced C#: Functional Programming Patterns

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Rewrite IF statement with expression

Rewrite IF statement with expression - C# Tutorial

From the course: Advanced C#: Functional Programming Patterns

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Rewrite IF statement with expression

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Let's look at how to refactor statement-based code and convert it into expression-based code. Before I show you the code, let's talk about the type that I'm using in this example. It's down here near the bottom of this file. It is the product class. It's an immutable type. It has a read-only retail price property, a read-only product name property, it has a constructor for setting those two properties, and it has an AdjustPrice() method for changing the price of the product. I'm not using the AdjustPrice() in this example. Why am I using this? It's up here in this section. We're going to talk about how to refactor if statements. What I have here is two methods, GetProductPrice(), which has statement-based code. And then I have the GetProductPriceByExpression() which has the expression-based code. The way I'm calling these is up in this method, the RunIf() method. Is on line 20, I'm instantiating an instance of the product class. The product name is 'Microphone', the retail price is…

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