checking if Seq() will match any empty sequence-like object or not

$ javap -c SeqMatch$.class

Compiled from "SeqMatch.scala"
public final class SeqMatch$ {
  public static final SeqMatch$ MODULE$;

  public static {};
    Code:
       0: new           #2                  // class SeqMatch$
       3: invokespecial #12                 // Method "<init>":()V
       6: return        

  public <T extends java/lang/Object> void check(scala.collection.Seq<T>);
    Code:
       0: aload_1       
       1: astore_2      
       2: getstatic     #19                 // Field scala/collection/Seq$.MODULE$:Lscala/collection/Seq$;
       5: aload_2       
       6: invokevirtual #23                 // Method scala/collection/Seq$.unapplySeq:(Lscala/collection/Seq;)Lscala/Some;
       9: astore_3      
      10: aload_3       
      11: invokevirtual #29                 // Method scala/Option.isEmpty:()Z
      14: ifne          57
      17: aload_3       
      18: invokevirtual #33                 // Method scala/Option.get:()Ljava/lang/Object;
      21: ifnull        57
      24: aload_3       
      25: invokevirtual #33                 // Method scala/Option.get:()Ljava/lang/Object;
      28: checkcast     #35                 // class scala/collection/SeqLike
      31: iconst_0      
      32: invokeinterface #39,  2           // InterfaceMethod scala/collection/SeqLike.lengthCompare:(I)I
      37: iconst_0      
      38: if_icmpne     57
      41: getstatic     #44                 // Field scala/Predef$.MODULE$:Lscala/Predef$;
      44: ldc           #46                 // String foo
      46: invokevirtual #50                 // Method scala/Predef$.println:(Ljava/lang/Object;)V
      49: getstatic     #56                 // Field scala/runtime/BoxedUnit.UNIT:Lscala/runtime/BoxedUnit;
      52: astore        4
      54: goto          70
      57: getstatic     #44                 // Field scala/Predef$.MODULE$:Lscala/Predef$;
      60: ldc           #58                 // String bar
      62: invokevirtual #50                 // Method scala/Predef$.println:(Ljava/lang/Object;)V
      65: getstatic     #56                 // Field scala/runtime/BoxedUnit.UNIT:Lscala/runtime/BoxedUnit;
      68: astore        4
      70: return        
}

SeqMatch.scala

object SeqMatch {

    def check[T](s: Seq[T]): Unit = s match {
        case Seq() => println("foo")
        case _ => println("bar")
    }

}