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use std::io::stdout; use lil_json::FieldBuffer; fn main() { [ ("some_number", 12345).into(), ("some_string", "hello world!").into(), ("some_boolean", true).into() ] .as_json_object() .serialize_std(stdout()) .unwrap(); } // output: {"some_number":12345,"some_string":"hello world!","some_boolean":true}