pub trait CheckedSub<Rhs = Self>: Sized {
    type Output;

    // Required method
    fn checked_sub(&self, rhs: Rhs) -> CtOption<Self>;
}
Expand description

Checked subtraction.

Required Associated Types§

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type Output

Output type.

Required Methods§

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fn checked_sub(&self, rhs: Rhs) -> CtOption<Self>

Perform checked subtraction, returning a CtOption which is_some only if the operation did not underflow.

Object Safety§

This trait is not object safe.

Implementors§

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impl CheckedSub for Limb

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type Output = Limb

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impl<const LIMBS: usize> CheckedSub<&Uint<LIMBS>> for Uint<LIMBS>

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type Output = Uint<LIMBS>