# On types
Type Usage != Type Definition


type List[T] struct {

}


fn add[T: addable](a: T, b: T): T {
  return a + b;
}

type usages:
List[Int64]
fn(int, int): List[Int64]



@dataclass
class TypeUsage:
  result: Identifier # Result of useage - either is the type, or is the return value if it's a function
  type_args: List[Type] # Generics
  arguments: Optional[List[Type]] # Specified if it is a function, this is how you tell if it's a function


if / match return never if all blocks return never;
blocks propagate never except at the function level;