this post was submitted on 30 Jun 2024
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Programmer Humor

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Meme transcription:

Panel 1: Bilbo Baggins ponders, “After all… why should I care about the difference between int and String?

Panel 2: Bilbo Baggins is revealed to be an API developer. He continues, “JSON is always String, anyways…”

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[–] Aux@lemmy.world 1 points 2 months ago (2 children)

Well, apart from float numbers and booleans, all other types can only be represented by a string in JSON. Date with timezone? String. BigNumber/Decimal? String. Enum? String. Everything is a string in JSON, so why bother?

[–] RustyNova@lemmy.world 2 points 2 months ago (1 children)

I got nothing against other types. Just numbers/misleading types.

Although, enum variants shall have a label field for identification if they aren't automatically inferable.

[–] Aux@lemmy.world 3 points 2 months ago

Well, the issue is that JSON is based on JS types, but other languages can interpret the values in different ways. For example, Rust can interpret a number as a 64 bit int, but JS will always interpret a number as a double. So you cannot rely on numbers to represent data correctly between systems you don't control or systems written in different languages.

[–] sukhmel@programming.dev 1 points 2 months ago* (last edited 2 months ago)

No problem with strings in JSON, until some smart developer you get JSONs from decides to interchangeably use String and number, and maybe a boolean (but only false) to show that the value is not set, and of course null for a missing value that was supposed to be optional all along but go figure that it was