Re: idiomatic extension to - / -- ?

2014-01-18 Thread Alex Baranosky
What I think is the interesting part of the question is the inclusion of
the word idiomatic. I'm not sure swiss-arrows is idiomatic... that said I
don't know what would be considered idiomatic here.a

One solution I know of for examples like this is:

(- 2
 (+ 2)
 (#(* 1 % 3)))

I'm not sure this is idiomatic either, but it at least has the benefit of
requiring no additional dependencies.



On Fri, Jan 17, 2014 at 11:29 PM, t x txrev...@gmail.com wrote:

 You win. :-)


 On Fri, Jan 17, 2014 at 11:26 PM, Shaun Gilchrist shaunxc...@gmail.comwrote:

 https://github.com/rplevy/swiss-arrows


 On Fri, Jan 17, 2014 at 11:05 PM, t x txrev...@gmail.com wrote:

 I have the following:

 (defn helper [initial funcs]
   (loop [fns funcs
  ans initial]
 (if (empty? fns)
   ans
   (recur (rest fns)
  (list (first fns) ans)

 (defmacro = [initial  funcs]
   (helper initial funcs))

 (macroexpand-1
  '(= 2
   #(+ % 2)
   #(* 1 % 3)))


 Is there something part of the idiomatic clojure / clojure core which
 does the above? Basically, I like the idea of - and --, but I find that I
 can't always guarantee (1) last element or (2) 2nd element.

 The above lets me place the argument directly via #%

 Question: is there something part of idiomatic clojure / clojure core
 that already does the above?

 Thanks!

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Re: idiomatic extension to - / -- ?

2014-01-18 Thread Jordan Berg
You can also use as- in 1.5+

(- 2
(+ 2)
(as- x (* 1 x 3)))

I like this a bit more than the (#()) approach, personally

On Sat, Jan 18, 2014 at 12:07 AM, Alex Baranosky
alexander.barano...@gmail.com wrote:
 What I think is the interesting part of the question is the inclusion of the
 word idiomatic. I'm not sure swiss-arrows is idiomatic... that said I
 don't know what would be considered idiomatic here.a

 One solution I know of for examples like this is:

 (- 2
  (+ 2)
  (#(* 1 % 3)))

 I'm not sure this is idiomatic either, but it at least has the benefit of
 requiring no additional dependencies.



 On Fri, Jan 17, 2014 at 11:29 PM, t x txrev...@gmail.com wrote:

 You win. :-)


 On Fri, Jan 17, 2014 at 11:26 PM, Shaun Gilchrist shaunxc...@gmail.com
 wrote:

 https://github.com/rplevy/swiss-arrows


 On Fri, Jan 17, 2014 at 11:05 PM, t x txrev...@gmail.com wrote:

 I have the following:

 (defn helper [initial funcs]
   (loop [fns funcs
  ans initial]
 (if (empty? fns)
   ans
   (recur (rest fns)
  (list (first fns) ans)

 (defmacro = [initial  funcs]
   (helper initial funcs))

 (macroexpand-1
  '(= 2
   #(+ % 2)
   #(* 1 % 3)))


 Is there something part of the idiomatic clojure / clojure core which
 does the above? Basically, I like the idea of - and --, but I find that I
 can't always guarantee (1) last element or (2) 2nd element.

 The above lets me place the argument directly via #%

 Question: is there something part of idiomatic clojure / clojure core
 that already does the above?

 Thanks!

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Re: idiomatic extension to - / -- ?

2014-01-18 Thread Jozef Wagner
There is a Syntax threading library at
https://github.com/LonoCloud/synthread . See it in action at
http://www.infoq.com/presentations/Macros-Monads


On Sat, Jan 18, 2014 at 9:18 AM, Jordan Berg jordannealb...@gmail.comwrote:

 You can also use as- in 1.5+

 (- 2
 (+ 2)
 (as- x (* 1 x 3)))

 I like this a bit more than the (#()) approach, personally

 On Sat, Jan 18, 2014 at 12:07 AM, Alex Baranosky
 alexander.barano...@gmail.com wrote:
  What I think is the interesting part of the question is the inclusion of
 the
  word idiomatic. I'm not sure swiss-arrows is idiomatic... that said I
  don't know what would be considered idiomatic here.a
 
  One solution I know of for examples like this is:
 
  (- 2
   (+ 2)
   (#(* 1 % 3)))
 
  I'm not sure this is idiomatic either, but it at least has the benefit of
  requiring no additional dependencies.
 
 
 
  On Fri, Jan 17, 2014 at 11:29 PM, t x txrev...@gmail.com wrote:
 
  You win. :-)
 
 
  On Fri, Jan 17, 2014 at 11:26 PM, Shaun Gilchrist shaunxc...@gmail.com
 
  wrote:
 
  https://github.com/rplevy/swiss-arrows
 
 
  On Fri, Jan 17, 2014 at 11:05 PM, t x txrev...@gmail.com wrote:
 
  I have the following:
 
  (defn helper [initial funcs]
(loop [fns funcs
   ans initial]
  (if (empty? fns)
ans
(recur (rest fns)
   (list (first fns) ans)
 
  (defmacro = [initial  funcs]
(helper initial funcs))
 
  (macroexpand-1
   '(= 2
#(+ % 2)
#(* 1 % 3)))
 
 
  Is there something part of the idiomatic clojure / clojure core which
  does the above? Basically, I like the idea of - and --, but I find
 that I
  can't always guarantee (1) last element or (2) 2nd element.
 
  The above lets me place the argument directly via #%
 
  Question: is there something part of idiomatic clojure / clojure core
  that already does the above?
 
  Thanks!
 
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Re: idiomatic extension to - / -- ?

2014-01-18 Thread Alex Baranosky
I think if you have to choose one that is idiomatic, you'd have to say it
is as-, due to its inclusion in clojure.core.  I should start using that
pattern...


On Sat, Jan 18, 2014 at 12:47 AM, Jozef Wagner jozef.wag...@gmail.comwrote:

 There is a Syntax threading library at
 https://github.com/LonoCloud/synthread . See it in action at
 http://www.infoq.com/presentations/Macros-Monads


 On Sat, Jan 18, 2014 at 9:18 AM, Jordan Berg jordannealb...@gmail.comwrote:

 You can also use as- in 1.5+

 (- 2
 (+ 2)
 (as- x (* 1 x 3)))

 I like this a bit more than the (#()) approach, personally

 On Sat, Jan 18, 2014 at 12:07 AM, Alex Baranosky
 alexander.barano...@gmail.com wrote:
  What I think is the interesting part of the question is the inclusion
 of the
  word idiomatic. I'm not sure swiss-arrows is idiomatic... that said I
  don't know what would be considered idiomatic here.a
 
  One solution I know of for examples like this is:
 
  (- 2
   (+ 2)
   (#(* 1 % 3)))
 
  I'm not sure this is idiomatic either, but it at least has the benefit
 of
  requiring no additional dependencies.
 
 
 
  On Fri, Jan 17, 2014 at 11:29 PM, t x txrev...@gmail.com wrote:
 
  You win. :-)
 
 
  On Fri, Jan 17, 2014 at 11:26 PM, Shaun Gilchrist 
 shaunxc...@gmail.com
  wrote:
 
  https://github.com/rplevy/swiss-arrows
 
 
  On Fri, Jan 17, 2014 at 11:05 PM, t x txrev...@gmail.com wrote:
 
  I have the following:
 
  (defn helper [initial funcs]
(loop [fns funcs
   ans initial]
  (if (empty? fns)
ans
(recur (rest fns)
   (list (first fns) ans)
 
  (defmacro = [initial  funcs]
(helper initial funcs))
 
  (macroexpand-1
   '(= 2
#(+ % 2)
#(* 1 % 3)))
 
 
  Is there something part of the idiomatic clojure / clojure core which
  does the above? Basically, I like the idea of - and --, but I find
 that I
  can't always guarantee (1) last element or (2) 2nd element.
 
  The above lets me place the argument directly via #%
 
  Question: is there something part of idiomatic clojure / clojure core
  that already does the above?
 
  Thanks!
 
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Re: idiomatic extension to - / -- ?

2014-01-18 Thread t x
I hope - and  becomes part of clojure core.

Q: How did you solve XYZ?
A: I used the Diamond Wand.


On Sat, Jan 18, 2014 at 1:36 AM, Alex Baranosky 
alexander.barano...@gmail.com wrote:

 I think if you have to choose one that is idiomatic, you'd have to say it
 is as-, due to its inclusion in clojure.core.  I should start using that
 pattern...


 On Sat, Jan 18, 2014 at 12:47 AM, Jozef Wagner jozef.wag...@gmail.comwrote:

 There is a Syntax threading library at
 https://github.com/LonoCloud/synthread . See it in action at
 http://www.infoq.com/presentations/Macros-Monads


 On Sat, Jan 18, 2014 at 9:18 AM, Jordan Berg jordannealb...@gmail.comwrote:

 You can also use as- in 1.5+

 (- 2
 (+ 2)
 (as- x (* 1 x 3)))

 I like this a bit more than the (#()) approach, personally

 On Sat, Jan 18, 2014 at 12:07 AM, Alex Baranosky
 alexander.barano...@gmail.com wrote:
  What I think is the interesting part of the question is the inclusion
 of the
  word idiomatic. I'm not sure swiss-arrows is idiomatic... that said I
  don't know what would be considered idiomatic here.a
 
  One solution I know of for examples like this is:
 
  (- 2
   (+ 2)
   (#(* 1 % 3)))
 
  I'm not sure this is idiomatic either, but it at least has the benefit
 of
  requiring no additional dependencies.
 
 
 
  On Fri, Jan 17, 2014 at 11:29 PM, t x txrev...@gmail.com wrote:
 
  You win. :-)
 
 
  On Fri, Jan 17, 2014 at 11:26 PM, Shaun Gilchrist 
 shaunxc...@gmail.com
  wrote:
 
  https://github.com/rplevy/swiss-arrows
 
 
  On Fri, Jan 17, 2014 at 11:05 PM, t x txrev...@gmail.com wrote:
 
  I have the following:
 
  (defn helper [initial funcs]
(loop [fns funcs
   ans initial]
  (if (empty? fns)
ans
(recur (rest fns)
   (list (first fns) ans)
 
  (defmacro = [initial  funcs]
(helper initial funcs))
 
  (macroexpand-1
   '(= 2
#(+ % 2)
#(* 1 % 3)))
 
 
  Is there something part of the idiomatic clojure / clojure core
 which
  does the above? Basically, I like the idea of - and --, but I
 find that I
  can't always guarantee (1) last element or (2) 2nd element.
 
  The above lets me place the argument directly via #%
 
  Question: is there something part of idiomatic clojure / clojure
 core
  that already does the above?
 
  Thanks!
 
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idiomatic extension to - / -- ?

2014-01-17 Thread t x
I have the following:

(defn helper [initial funcs]
  (loop [fns funcs
 ans initial]
(if (empty? fns)
  ans
  (recur (rest fns)
 (list (first fns) ans)

(defmacro = [initial  funcs]
  (helper initial funcs))

(macroexpand-1
 '(= 2
  #(+ % 2)
  #(* 1 % 3)))


Is there something part of the idiomatic clojure / clojure core which does
the above? Basically, I like the idea of - and --, but I find that I
can't always guarantee (1) last element or (2) 2nd element.

The above lets me place the argument directly via #%

Question: is there something part of idiomatic clojure / clojure core that
already does the above?

Thanks!

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Re: idiomatic extension to - / -- ?

2014-01-17 Thread Shaun Gilchrist
https://github.com/rplevy/swiss-arrows


On Fri, Jan 17, 2014 at 11:05 PM, t x txrev...@gmail.com wrote:

 I have the following:

 (defn helper [initial funcs]
   (loop [fns funcs
  ans initial]
 (if (empty? fns)
   ans
   (recur (rest fns)
  (list (first fns) ans)

 (defmacro = [initial  funcs]
   (helper initial funcs))

 (macroexpand-1
  '(= 2
   #(+ % 2)
   #(* 1 % 3)))


 Is there something part of the idiomatic clojure / clojure core which does
 the above? Basically, I like the idea of - and --, but I find that I
 can't always guarantee (1) last element or (2) 2nd element.

 The above lets me place the argument directly via #%

 Question: is there something part of idiomatic clojure / clojure core that
 already does the above?

 Thanks!

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Re: idiomatic extension to - / -- ?

2014-01-17 Thread t x
You win. :-)


On Fri, Jan 17, 2014 at 11:26 PM, Shaun Gilchrist shaunxc...@gmail.comwrote:

 https://github.com/rplevy/swiss-arrows


 On Fri, Jan 17, 2014 at 11:05 PM, t x txrev...@gmail.com wrote:

 I have the following:

 (defn helper [initial funcs]
   (loop [fns funcs
  ans initial]
 (if (empty? fns)
   ans
   (recur (rest fns)
  (list (first fns) ans)

 (defmacro = [initial  funcs]
   (helper initial funcs))

 (macroexpand-1
  '(= 2
   #(+ % 2)
   #(* 1 % 3)))


 Is there something part of the idiomatic clojure / clojure core which
 does the above? Basically, I like the idea of - and --, but I find that I
 can't always guarantee (1) last element or (2) 2nd element.

 The above lets me place the argument directly via #%

 Question: is there something part of idiomatic clojure / clojure core
 that already does the above?

 Thanks!

 --
 --
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