> require'lfs'
> error loading module 'lfs' from file '/usr/local/lib/lua/5.1/lfs.so':
> /usr/local/lib/lua/5.1/lfs.so: undefined symbol: lua_gettop
This is likely because Terra links statically …
The following code produces a compiler error for the a(f) += 1 syntax sugar. Removing the parameterization of update and apply makes the compiler error go away.
```scala
class Foo
class Test {
def …