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Surely "1337" is the same as 1337, right? (sopuli.xyz)

submitted 5 months ago by bleistift2@sopuli.xyz to c/programmer_humor@programming.dev

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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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[-] bleistift2@sopuli.xyz 1 points 5 months ago

What makes you think so?

const bigJSON = '{"gross_gdp": 12345678901234567890}';
JSON.parse(bigJSON, (key, value, context) => {
  if (key === "gross_gdp") {
    // Ignore the value because it has already lost precision
    return BigInt(context.source);
  }
  return value;
});
> {gross_gdp: 12345678901234567890n}

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/parse