Multiple ChoiceIntermediate 45s
to_chars result contract
What does std::to_chars(buf, buf+N, value) return on success?
Options
- 1A to_chars_result with ec==std::errc() and ptr one past the last written char
- 2The number of characters written, as a plain std::size_t count of the output
- 3A std::string holding the formatted characters that were written to the buffer
- 4A boolean true to indicate the entire value fitted within the supplied buffer
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