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pub trait CheckedAddInto {
type Output;
fn checked_add_into(&self, other: &Self) -> Option<Self::Output>;
}
pub trait CheckedMulInto {
type Output;
fn checked_mul_into(&self, other: &Self) -> Option<Self::Output>;
}
pub trait CheckedAddInner: Sized {
type Inner;
fn checked_add_inner(&self, other: &Self::Inner) -> Option<Self>;
}
pub trait CheckedMulInner: Sized {
type Inner;
fn checked_mul_inner(&self, other: &Self::Inner) -> Option<Self>;
}
pub trait CheckedDivInner: Sized {
type Inner;
fn checked_div_inner(&self, other: &Self::Inner) -> Option<Self>;
}