Extensible Data Notation, edn, is a subset of Clojure's data notation intended to be used as a data exchange format.
Rationale and initial spec are located at https://github.com/edn-format/edn.
Questions tagged [edn]
57 questions
0
votes
1 answer
How to print EDN output in JSON format using Cheshire custom encoder
I am newbie with Clojure and I am trying to print EDN output to valid JSON format using Cheshire custom encoder for classes defined in java.
My EDN file:
{:xyz #XyzBuilder "testString"}
Clojure code:
(defn getXyz [str]
(.getXyz (XyzBuilder.)…
ppp456878
- 155
- 8
0
votes
1 answer
Serialize JavaScript objects in ClojureScript
How do I make a writer for JS error object to send thru the wire? When I do (pr-str (js/Error. "OOPS")) it gives me "#object[Error Error: OOPS]". And (js->clj (js/Error. "Oops!")) gives something like #object[Error Error: Oops!].
I want to make a…
user12769468
0
votes
1 answer
How can I convert EDN output to JSON which has custom readers defined
In Clojure, I am using 'generate-string' function of cheshire (https://github.com/dakrone/cheshire) library to convert EDN to JSON.
It works fine for EDN without custom readers.
For ex:
sample.edn:
{:foo "bar" :baz {:eggplant [1 2…
ppp456878
- 155
- 8
0
votes
1 answer
Is there a way we can re-use value of defined keys in EDN?
Is there a way I can reuse values of key defined in EDN?
For ex:
If I have following EDN
{
:abc "value1"
:def :abc
}
When I read above EDN in Clojure, I want for 'def' key, value1 which is value of :abc to be passed. But currently :abc string…
ppp456878
- 155
- 8
0
votes
1 answer
In EDN, how can I pass multiple values to tagged element returned from other tagged elements
I have following EDN
{
:test #xyz/getXyz #abc/getAbc #fgh/getFgh "sampleString"
}
In Clojure, I have defined implementation for each of the tagged element which internally calls java functions. I have a requirement in which I need to pass…
ppp456878
- 155
- 8
0
votes
1 answer
How do I pass custom parameter to edn reader?
I following clojure code
(defn reverse-reader [coll]
(assert (coll? coll) "you can only reverse collections")
(reverse coll)
)
(def custom-readers {'demo/reverse reverse-reader})
(defn getContent
[filename myCustomObject]
…
ppp456878
- 155
- 8
0
votes
2 answers
How do I evaluate an edn/read list?
(def a (edn/read-string "(+ 1 3)"))
; => (+ 1 3)
How do I evaluate this resulting list?
(type (first a))
; => cljs.core/Symbol
(= (first a) '+)
; => true
I suppose more generally how would I get from symbol -> function.
And is this a normal…
koboldsinparis
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How do I include a .edn file as a subset of another "parent" .edn file like the "include path" element in a .xml file?
How do I include the contents of a .edn file as a subset of another .edn file similar to the "include path" element in XML?
More specifically, does the extensable data notation (EDN) have a way to "include" a file via path similar to the "include…
loudog
- 1
- 1
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votes
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Run zprint-cli recursively on multiple files in nested directories via NPM scripts
Goal: Use npm scripts to run zprint-clj on each file with the appropriate file extension in a bundle of nested folders.
zprint-clj expects a filename in and a filename out each time it's run. eg: zprint-clj -i -o
I'm…
Squish
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3 answers
Clojure - Count occurences of nested key in nested map?
I have a nested map like so:
{:A {:B {:A {:B {:A {:B 0}}}}}}
I want to count the occurrences of the pair [:A :B] so that in the case above, the result is 3.
My initial idea was to use clojure.walk/postwalk to traverse the map and increment a…
Edmond
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2 answers
Clojure edn read auto namespaced keywords
Is there a way to instruct clojure.core.edn/read how to resolve auto namespaced keywords ?
(edn/read-string "{:not-namespaced \"ko\" }") ;;=> {:not-namespaced "ko"}
(edn/read-string "{:namespaced/ok \"ko\" }") ;;=> #:namespaced{:ok "ko"}
…
nha
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How can I convert "DD/MM/YYYY HH:MM:SS" to a clojure inst value?
Google Forms gives me this :
"02/12/2014 10:44:36"
What is a good way for converting it to edn time format using clojure?
;=> #inst "2014-12-02T10:44:36.000-00:00"
Thank you!
UPDATE:
GForm is giving me hours from 0 to 23.
So, the answer should…
leontalbot
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