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Programming-Idioms

  • Python
  • Scala

Idiom #333 Pretty-print object in JSON

Print the object x in human-friendly JSON format, with newlines and indentation.

import json
print(json.dumps(x, indent=4))
import 'dart:convert';
var encoded = const JsonEncoder.withIndent('  ').convert(x);
print(encoded);
New implementation...
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print(json.dumps(x, indent=4))
var encoded = const JsonEncoder.withIndent('  ').convert(x);
print(encoded);

buffer, err := json.MarshalIndent(x, "", "  ")
if err != nil {
	log.Fatal(err)
}
fmt.Println(string(buffer))
puts JSON.pretty_generate(x)