I'm working on a config file format in EDN, and in doubt: should I use
keywords or symbols as map keys.
After all, the colon is an extra keyboard press - an extra effort for users.
As EDN parser doesn't evaluate expressions, there is no need to quote
symbols when using them as EDN map keys (unlike clojure map literals)
I mean,
(edn/read-string "{a 1 b 2}")
works, while using a clojure map literal would require quoting A and B:
{'a 1 'b 2}
So, is it a good idea to use symbols instead of keywords as map keys in a
config file?
Probably, an advantage of keywords that they look different visually, so a
reader easily distinguishes keys from values; But proper indentation,
optional commas between the key-value pairs in map may be enough for a
reader to understand everything immediately.
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