@NonNull
  public static <T,U> Either<T, U> left(final Class<T> leftType) {
    assertIsNotParameterized(leftType, msgInline("left"));
    return Either.left(Any.instanceOf(leftType));
  }
@NonNull
  public static <T,U> Either<T, U> left(final Class<T> leftType) {
    assertIsNotParameterized(leftType, msgInline("left"));
    return Either.left(Any.instanceOf(leftType));
  }
@ NonNull public static < T , U > Either < T , U > left ( final Class < T > leftType ) { assertIsNotParameterized ( leftType , msgInline ( "left" ) ) ; return Either . left ( Any . instanceOf ( leftType ) ) ; }
eithers - left
eithers - left