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What is the difference between call-by-value and call-by-name function parameters?

Question Posted / Ravindra Kumar Suman

Answer Posted / Ravindra Kumar Suman

Call-by-value and call-by-name are two methods for passing arguments to functions in programming languages, including Scala. In Call-by-value, the actual argument value is evaluated before it's passed to the function, while in Call-by-name, the function call evaluates the argument expression only when its value is needed inside the function.

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