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#4378 ✓duplicate
Brian Lopez

#as_json returning self?

Reported by Brian Lopez | April 12th, 2010 @ 10:55 PM

I may have completely misunderstood what the #as_json method is for, but it was my assumption that it's supposed to return a JSON-mappable version of the object.

Meaning, it should return a String, Fixnum, TrueClass, FalseClass, NilClass, Array or Hash. In literally every example of it's use those are the types that are returned - which makes perfect sense.

But classes like Regexp and BigDecimal return self? If a JSON library checks to see if the object responds to #as_json, and calls it if so, it'll infinitely loop.

Should BigDecimal return to_f? And Regexp to_s?

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