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Tags
#odersky-programming-in-scala-2ed #scala
Question
How to apply array of strings to echo? 
val arr = Array("What's", "up", "doc?")

def echo(args: String*) =
  for (arg <- args) println(arg)
Answer
add colon and _* symbol to the argument:

echo(arr: _*)

Tags
#odersky-programming-in-scala-2ed #scala
Question
How to apply array of strings to echo? 
val arr = Array("What's", "up", "doc?")

def echo(args: String*) =
  for (arg <- args) println(arg)
Answer
?

Tags
#odersky-programming-in-scala-2ed #scala
Question
How to apply array of strings to echo? 
val arr = Array("What's", "up", "doc?")

def echo(args: String*) =
  for (arg <- args) println(arg)
Answer
add colon and _* symbol to the argument:

echo(arr: _*)
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Summary

statusnot learnedmeasured difficulty37% [default]last interval [days]               
repetition number in this series0memorised on               scheduled repetition               
scheduled repetition interval               last repetition or drill

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