Re: [TCLCORE] CFV: TIP #111 "Dictionary Values and Manipulators"

[<ke...@cr...>]

Donal Fellows:
> Without [dict incr], it's a lot more expensive to handle the case
> where the key
> might not already exist.  Either you're using [dict exists] as a
> pre-check, or
> you are messing around with [catch], neither of which is going to be
> all that
> good for speed.  (This is an itch that I really wanted to scratch.)

Mo DeJong:
> That is not how Tcl's incr command works. I am not sure it is a good
> idea to add a subcommand to a Tcl data structure that acts like an
> existing Tcl commands except with some minor differences.

I would vote in favor of a TIP to make the stock [incr] work the same way.

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