I've put in some changes to io:
- interface to query existing layers
- move various things around
Not much yet. But:
IO does currently translates to/from utf8 by default, so we need some
tweaking here:
Proposal:
- create a new string layer that does this {en,de}coding
- change the prototyp
s are INC and DEC, that return a new value (that
would be the incremented/decremented value of the current object). This
is necessary to support immutable values, that cannot be incremented
without creating a new value.
REPRS returns a bitmap indicating which of the representations (string,
number, scalar
