As far as I know, traits like List or Seq are implemented in the Scala standard library instead of being part of the language itself.
There is one thing that I do not understand, though: one has a syntax for variadic functions that looks like
def foo(args: String*) = ...
Internally one has access to args and it will be a Seq.
It is not clear to me whether:
Seqis considered a special data structure enough to appear as part of the language, or- the
*notation here is a particular case of a more general syntax that manages to avoid any references to concrete data structures interfaces.
Does anyone know which one is the correct intepretation?