I have a value which is either
None. What is the correct way to use
assert to assert that it is
Some rather than
None. Do I have to use
assert(value != None)? I can’t think of an easy way to assert that it is
Some(x) for some x.
In the case of
Option I can assert that it is not
None, but in the case of
Either, I might light to assert that it is
Right or assert that it is
What is the #? Is that part of the name or is that an operator?
I think it’s a notation that stems from Java. It just says method
nonEmpty in class
Option. It’s kind of analogous to type projections (Class#Type) in Scala, only it’s not actually valid syntax for methods.
(I think it’s helpful for distinguishing that it’s a method on the class and not on the companion object.)
In addition to the other answers, if you need this in the context of ScalaTest, you can use the built-in matchers and more: