qcow2 0.1.0

Reading qcow2 virtual disk images
Documentation 
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use num;

pub trait Integer: num::Integer + Copy {
    // Divide, rounding up.
    fn div_ceil(self, other: Self) -> Self {
        let (d, m) = self.div_rem(&other);
        if m.is_zero() {
            d
        } else {
            d + Self::one()
        }
    }

    // Get the next multiple of a number equal to or higher than self.
    fn to_multiple_of(self, other: Self) -> Self {
        let m = self % other;
        if m.is_zero() {
            self
        } else {
            self + (other - m)
        }
    }

    // Get the amount to add to get a multiple of `other`.
    fn padding_to_multiple(self, other: Self) -> Self {
        let m = self % other;
        if m.is_zero() {
            m
        } else {
            other - m
        }
    }
}

impl Integer for u64 {}
impl Integer for usize {}