Okay, got it. It looks like you're using agents where I'd been using
atoms. Not sure if there's much of a difference for these use cases...
the one-directional flow of source -> state -> watcher update
notification -> ui change seems to work well with both agents and atoms.
Brian Marick wrote:
On Nov 30, 2013, at 10:39 AM, Sam Ritchie<sritchi...@gmail.com> wrote:
Brian, I like that too. It looks like you're providing the state when you do
the def-action?
If I understand the question right, yes. A test of a state function would look
like:
(fact
(incrementer {:value 1} 3) => {:value 4}))
Is the "self" variable "state", captured through the closure?
`self` is the agent, whose dereference is passed in as the symbol named `state`.
That part I'm uncomfortable with. I've put each agent in a namespace with its
action functions. The convention is that the agent is named `self`, and
`def-action` knows that convention. It works, but it reminds me too much of
singletons and all those cases where you start out thinking a single instance
is all you'll ever need and then discover you were wrong.
--------
Latest book: /Functional Programming for the Object-Oriented Programmer/
https://leanpub.com/fp-oo
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Sam Ritchie (@sritchie)
Paddleguru Co-Founder
703.863.8561
www.paddleguru.com <http://www.paddleguru.com/>
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