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use crate::num::arithmetic::traits::{OverflowingDiv, OverflowingDivAssign};
macro_rules! impl_overflowing_div {
($t:ident) => {
impl OverflowingDiv<$t> for $t {
type Output = $t;
/// This is a wrapper over the `overflowing_div` functions in the standard library, for
/// example [this one](u32::overflowing_div).
#[inline]
fn overflowing_div(self, other: $t) -> ($t, bool) {
$t::overflowing_div(self, other)
}
}
impl OverflowingDivAssign<$t> for $t {
/// Divides a number by another number, in place.
///
/// Returns a boolean indicating whether an arithmetic overflow occurred. If an overflow
/// occurred, then the wrapped value is assigned. Overflow only occurs when `Self` is
/// signed, `self` is `Self::MIN`, and `other` is -1. The "actual" result, `-Self::MIN`,
/// can't be represented and is wrapped back to `Self::MIN`.
///
/// # Worst-case complexity
/// Constant time and additional memory.
///
/// # Examples
/// See [here](super::overflowing_div#overflowing_div_assign).
#[inline]
fn overflowing_div_assign(&mut self, other: $t) -> bool {
let overflow;
(*self, overflow) = self.overflowing_div(other);
overflow
}
}
};
}
apply_to_primitive_ints!(impl_overflowing_div);