integer.as_string

(len i32, base u32)

convert this to a number using the given base. If negative, add "-" as
the first character. Extend with leading "0" until the length is at
least len

0.095dev (2025-09-09 14:29:31 GIT hash 98644f8f651c2101a0730cfe31c5807993b7603b built by fridi@fzen)