## std.clone: Interfaces for explicitly Clonable types.
## This module is imported by default.

## The Clone interface. Any type implementing Clone is cloneable.
## Data structures built with pointers and references are pretty much
## the only things that are *not* implicitly clonable.
pub type Clone = interface
  clone(lent Self): Self # todo

## Generic implementation of `clone` for structs.
pub func clone[T: struct](self: T): T =
  ...

## Generic implementation of `clone` for tuples.
pub func clone[T: tuple](self: T): T =
  ...

## Implementation of `clone` for arrays of any size.
pub func clone[T, S: static[uint]](self: array[T, S]): array[T, S] =
  ...

## Implementation of `clone` for lists.
pub func clone[T](self: list[T]): list[T] =
  ...

## Implementation of `clone` for strings.
pub func clone(self: str): str =
  ...