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#call-by-name #functions #scala

Typically, parameters to functions are by-value parameters; that is, the value of the parameter is determined before it is passed to the function. But what if we need to write a function that accepts as a parameter an expression that we don't want evaluated until it's called within our function? For this circumstance, Scala offers call-by-name parameters.

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Scala Functions Call-by-Name
O Scala Useful ResourcesScala Quick GuideScala Useful Resources Selected ReadingDeveloper's Best PracticesEffective Resume WritingComputer GlossaryWho is Who Scala Functions Call-by-Name Advertisements Previous Page Next Page <span>Typically, parameters to functions are by-value parameters; that is, the value of the parameter is determined before it is passed to the function. But what if we need to write a function that accepts as a parameter an expression that we don't want evaluated until it's called within our function? For this circumstance, Scala offers call-by-name parameters. A call-by-name mechanism passes a code block to the callee and each time the callee accesses the parameter, the code block is executed and the value is calculated. object Test { def m


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