use self::SignificantDigits::*;
use self::SignFormat::*;
-use char::{mod, Char};
-use num::{mod, Int, Float, ToPrimitive};
+use char::{self, Char};
+use num::{self, Int, Float, ToPrimitive};
use num::FpCategory as Fp;
use ops::FnMut;
use slice::SliceExt;