num_traits::ops::checked

Trait CheckedAdd

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

Performs addition that returns None instead of wrapping around on overflow.

Required Methods§

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

Adds two numbers, checking for overflow. If 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 CheckedAdd for i8

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

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impl CheckedAdd for i16

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

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impl CheckedAdd for i32

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

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impl CheckedAdd for i64

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

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impl CheckedAdd for i128

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

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impl CheckedAdd for isize

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impl CheckedAdd for u8

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

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impl CheckedAdd for u16

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

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impl CheckedAdd for u32

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

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impl CheckedAdd for u64

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

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impl CheckedAdd for u128

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

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impl CheckedAdd for usize

Implementors§