| 380 | } |
| 381 | |
| 382 | fn separate_integer( |
| 383 | magnitude_str: String, |
| 384 | inter: i32, |
| 385 | sep: char, |
| 386 | disp_digit_cnt: i32, |
| 387 | ) -> String { |
| 388 | let magnitude_len = magnitude_str.len() as i32; |
| 389 | let offset = (disp_digit_cnt % (inter + 1) == 0) as i32; |
| 390 | let disp_digit_cnt = disp_digit_cnt + offset; |
| 391 | let pad_cnt = disp_digit_cnt - magnitude_len; |
| 392 | let sep_cnt = disp_digit_cnt / (inter + 1); |
| 393 | let diff = pad_cnt - sep_cnt; |
| 394 | if pad_cnt > 0 && diff > 0 { |
| 395 | // separate with 0 padding |
| 396 | let padding = "0".repeat(diff as usize); |
| 397 | let padded_num = format!("{padding}{magnitude_str}"); |
| 398 | Self::insert_separator(padded_num, inter, sep, sep_cnt) |
| 399 | } else { |
| 400 | // separate without padding |
| 401 | let sep_cnt = (magnitude_len - 1) / inter; |
| 402 | Self::insert_separator(magnitude_str, inter, sep, sep_cnt) |
| 403 | } |
| 404 | } |
| 405 | |
| 406 | fn insert_separator(mut magnitude_str: String, inter: i32, sep: char, sep_cnt: i32) -> String { |
| 407 | let magnitude_len = magnitude_str.len() as i32; |