| 47 | } |
| 48 | |
| 49 | void |
| 50 | rtrim_if(string &s, int (*fp)(int)) |
| 51 | { |
| 52 | for (ssize_t i = static_cast<ssize_t>(s.size()) - 1; i >= 0; i--) { |
| 53 | if (fp(s[i])) { |
| 54 | s.erase(i, 1); |
| 55 | } else { |
| 56 | break; |
| 57 | } |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | void |
| 62 | trim_if(string &s, int (*fp)(int)) |