scala2-3-GivenImports.scala

object O1:
  val name = "O1"
  def m(s: String) = s"$s, hello from $name"
  class C1
  class C2
  given c1: C1 = new C1    // The type annotation ": C1" is required for givens.
  given c2: C2 = new C2    // same.

// Scala 2 uses _ as the wild card instead of *. You can still use _ in 3.0.
import O1.*                // Import everything EXCEPT the givens, c1 and c2 
import O1.given            // Import ONLY the givens (of type C1 and C2)
import O1.{given, *}       // Import everything, givens and non-givens in O1
import O1.{given C1}       // Import just the given of type C1
import O1.c2               // Import just the given c2 of type C2