How do I "join" an iterable of strings by another string in Scala?
val thestrings = Array("a","b","c")
val joined = ???
println(joined)
I want this code to output a,b,c (join the elements by ",").
@scala_newbie I think your question was downvoted, 'cause some people think it lacks of research effort.
googling this question is my research effort
I saw this question while Googling 🥴
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def mkFoldLeftString[A](list:List[String], delim:String = ","): String = list match { case head :: tail => tail.foldLeft(head)(_ + delim + _) case Nil => "" }