"The string representation of the given [[integer]] in the base given by [[radix]]. If the given integer is [[negative|Integer.negative]], the string representation will begin with `-`. Digits consist of decimal digits `0` to `9`, together with and lowercase letters `a` to `z` for bases greater than 10. For example: - `formatInteger(-46)` is `\"-46\"` - `formatInteger(9,2)` is `\"1001\"` - `formatInteger(10,8)` is `\"12\"` - `formatInteger(511,16)` is `\"1ff\"` - `formatInteger(512,32)` is `\"g0\"`" throws (`class AssertionError`, "if [[radix]] is not between [[minRadix]] and [[maxRadix]]") see (`function formatFloat`, `function parseInteger`) tagged("Numbers") shared String formatInteger( "The integer value to format." Integer integer, "The base, between [[minRadix]] and [[maxRadix]] inclusive." Integer radix = 10) { assert (minRadix <= radix <= maxRadix); if (integer == 0) { return "0"; } variable {Character*} digits = {}; variable Integer i = integer < 0 then integer else -integer; while (i != 0) { Integer d = -(i % radix); Character c; if (0<=d<10) { c = (d+zeroInt).character; } else if (10<=d<36) { c = (d-10+aIntLower).character; } else { assert (false); } digits = digits.follow(c); i = (i + d) / radix; } if (integer < 0) { digits = digits.follow('-'); } return String(digits); }