[Haskell-cafe] meaning of "referential transparency"
ky3 at atamo.com
Sat Apr 6 20:29:36 CEST 2013
Should probably include the Reddit convo ongoing as we speak (zomg, it's live!):
Not everyone here is a regular there.
On Sun, Apr 7, 2013 at 1:21 AM, Eli Frey <eli.lee.frey at gmail.com> wrote:
> Reddit discussions of said SO question.
> This was a fascinating exchange and I'm glad to be reminded to revisit it
> On Sat, Apr 6, 2013 at 11:13 AM, Kim-Ee Yeoh <ky3 at atamo.com> wrote:
>> On Sun, Apr 7, 2013 at 12:43 AM, Henning Thielemann
>> <lemming at henning-thielemann.de> wrote:
>> > Can someone enlighten me about the origin of the term "referential
>> > transparency"? I can lookup the definition of "referential transparency"
>> > in
>> > the functional programming sense in the Haskell Wiki and I can lookup
>> > the
>> > meaning of "reference" and "transparency" in a dictionary, but I don't
>> > know
>> > why these words were chosen as name for this defined property.
>> Instead of a immaculately precise definition, may I suggest going
>> about it from the practical benefits POV? RT matters so much in
>> Haskell because of the engineering leverage it gives us. Bird's Pearls
>> are a good source of Why Equational Reasoning Matters.
>> -- Kim-Ee
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>> Haskell-Cafe at haskell.org
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