What is a by-name parameter in Scala?

1.	What is a by-name parameter in Scala?
Answer» Scala allows passing a block of code in a function which is evaluated only when it is used. This kind of parameters are called a by-name parameter. By-name parameters are often used while DEFINING a new CONTROL structure. Let’s take an example. DEF executionTime(f: => Any) = { val start = System.currentTimeMillis() f System.currentTimeMillis() - start } val t = executionTime { gcdList(List(18, 24, 36)) }

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