num::traits

Trait CheckedMul

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pub trait CheckedMul: Sized + Mul<Output = Self> {
    // Required method
    fn checked_mul(&self, v: &Self) -> Option<Self>;
}
Expand description

Performs multiplication that returns None instead of wrapping around on underflow or overflow.

Required Methods§

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fn checked_mul(&self, v: &Self) -> Option<Self>

Multiplies two numbers, checking for underflow or overflow. If underflow or overflow happens, None is returned.

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

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impl CheckedMul for i8

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fn checked_mul(&self, v: &i8) -> Option<i8>

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impl CheckedMul for i16

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fn checked_mul(&self, v: &i16) -> Option<i16>

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impl CheckedMul for i32

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fn checked_mul(&self, v: &i32) -> Option<i32>

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impl CheckedMul for i64

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fn checked_mul(&self, v: &i64) -> Option<i64>

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impl CheckedMul for i128

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fn checked_mul(&self, v: &i128) -> Option<i128>

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impl CheckedMul for isize

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impl CheckedMul for u8

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fn checked_mul(&self, v: &u8) -> Option<u8>

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impl CheckedMul for u16

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fn checked_mul(&self, v: &u16) -> Option<u16>

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impl CheckedMul for u32

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fn checked_mul(&self, v: &u32) -> Option<u32>

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impl CheckedMul for u64

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fn checked_mul(&self, v: &u64) -> Option<u64>

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impl CheckedMul for u128

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fn checked_mul(&self, v: &u128) -> Option<u128>

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impl CheckedMul for usize

Implementors§