Do you want BuboFlash to help you learning these things? Or do you want to add or correct something? Click here to log in or create user.



#call-by-name #functions #scala
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.
If you want to change selection, open document below and click on "Move attachment"

Scala Functions Call-by-Name
e 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. <span>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 main(args: Array[String]) { delayed(time()); } def time() = { println("Getting time in nano seconds") System.nanoTime } de


Summary

statusnot read reprioritisations
last reprioritisation on suggested re-reading day
started reading on finished reading on

Details



Discussion

Do you want to join discussion? Click here to log in or create user.