NotNull

gistfile1.md

Usage

val x: String = "asdf"
val y: String = null

Then:

NotNull(x)("?")

asdf

NotNull(x.size)(-1)

4

NotNull(y)("?")

?

NotNull(y.size)(-1)

-1

NotNull.scala

object NotNull {
  def apply[R](n: => R)(f: => R) = try {
    if (n == null) throw new NullPointerException
    n
  } catch { case npe: NullPointerException => f }
}