Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > comp.lang.python > #98781
| Path | csiph.com!eternal-september.org!feeder.eternal-september.org!mx02.eternal-september.org!tundraware.eternal-september.org!.POSTED!not-for-mail |
|---|---|
| From | Tim Daneliuk <tundraBOGUS@tundraware.com> |
| Newsgroups | comp.lang.python |
| Subject | Re: What is '@' for |
| Date | Fri, 13 Nov 2015 17:43:15 -0600 |
| Organization | A noiseless patient Spider |
| Lines | 24 |
| Message-ID | <56467593.9060304@tundraware.com> (permalink) |
| References | <b4254670-28c9-4e2c-a221-a27c0d6f62e9@googlegroups.com> <mailman.311.1447456460.16136.python-list@python.org> |
| Mime-Version | 1.0 |
| Content-Type | text/plain; charset=utf-8 |
| Content-Transfer-Encoding | 7bit |
| Injection-Info | tundraware.eternal-september.org; posting-host="5a15fedc1d2651a6099f1673ffb218fd"; logging-data="32194"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/llz+5jM/8gNDQ0ylU79BnrXD7UjCxZEY=" |
| User-Agent | Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 |
| In-Reply-To | <mailman.311.1447456460.16136.python-list@python.org> |
| Cancel-Lock | sha1:nHWwamVmtMJOkaXAEnEkFydi5bM= |
| Xref | csiph.com comp.lang.python:98781 |
Show key headers only | View raw
On 11/13/2015 05:14 PM, Chris Angelico wrote:
> On Sat, Nov 14, 2015 at 10:04 AM, fl <rxjwg98@gmail.com> wrote:
>> I read the following code snippet. A question is here about '@'.
>> I don't find the answer online yet.
>>
>> What function is it here?
>>
>>
>> @pymc.deterministic
>> def theta(a=alpha, b=beta):
>> """theta = logit^{-1}(a+b)"""
>> return pymc.invlogit(a+b*x)
>
> That's called a "function decorator". And now that you know the name,
> you'll be able to find what it is online; as well as the Python docs,
> there are a number of blog posts and other articles about it.
>
> ChrisA
>
One small point of order ... if you want to be precise, "@pymc.deterministic" is a *function decoration*. The "decorator" is the function pymc.deterministic().
I know this is a fussy point, but this distinction is helpful when first learning the concept.
Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
What is '@' for fl <rxjwg98@gmail.com> - 2015-11-13 15:04 -0800
Re: What is '@' for Chris Angelico <rosuav@gmail.com> - 2015-11-14 10:14 +1100
Re: What is '@' for Tim Daneliuk <tundraBOGUS@tundraware.com> - 2015-11-13 17:43 -0600
Re: What is '@' for Terry Reedy <tjreedy@udel.edu> - 2015-11-13 18:43 -0500
Re: What is '@' for Dave Farrance <df@see.replyto.invalid> - 2015-11-14 09:14 +0000
csiph-web