I would go with std.conv.to or std.conv.text :)

On Sun, Jan 6, 2019 at 10:55 PM Per Nordlöw via Digitalmars-d-learn <digitalmars-d-learn@puremagic.com> wrote:
When converting a single integer to a string is `formatValue`
preferred over `formattedWrite` in terms of compilation and
run-time performance?