pub trait OptionSaturatingAdd<Rhs = Self, InnerRhs = Rhs> {
    type Output;

    // Required method
    fn opt_saturating_add(self, rhs: Rhs) -> Option<Self::Output>;
}
Expand description

Trait for values and Options saturating addition.

Implementing this trait leads to the following auto-implementations:

  • OptionSaturatingAdd<Option<InnerRhs>> for T.
  • OptionSaturatingAdd<Rhs> for Option<T>.
  • OptionSaturatingAdd<Option<InnerRhs>> for Option<T>.
  • … and some variants with references.

Note that since the std library doesn’t define any SaturatingAdd trait, users must provide the base implementation for the inner type.

Required Associated Types§

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type Output

The resulting inner type after applying the addition.

Required Methods§

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fn opt_saturating_add(self, rhs: Rhs) -> Option<Self::Output>

Computes the addition saturating at the numeric bounds instead of overflowing.

Returns None if at least one argument is None.

Implementations on Foreign Types§

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impl OptionSaturatingAdd for i8

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impl OptionSaturatingAdd for i16

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impl OptionSaturatingAdd for i32

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impl OptionSaturatingAdd for i64

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impl OptionSaturatingAdd for i128

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impl OptionSaturatingAdd for u8

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impl OptionSaturatingAdd for u16

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impl OptionSaturatingAdd for u32

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impl OptionSaturatingAdd for u64

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impl OptionSaturatingAdd for u128

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impl OptionSaturatingAdd for Duration

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impl OptionSaturatingAdd<Signed<u32>> for u32

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impl OptionSaturatingAdd<Signed<u64>> for u64

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impl OptionSaturatingAdd<Signed<usize>> for usize

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impl<T, InnerRhs> OptionSaturatingAdd<&Option<InnerRhs>, InnerRhs> for Option<T>
where T: OptionOperations + OptionSaturatingAdd<InnerRhs>, InnerRhs: Copy,

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type Output = <T as OptionSaturatingAdd<InnerRhs>>::Output

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fn opt_saturating_add( self, rhs: &Option<InnerRhs> ) -> Option<<Option<T> as OptionSaturatingAdd<&Option<InnerRhs>, InnerRhs>>::Output>

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impl<T, InnerRhs> OptionSaturatingAdd<Option<InnerRhs>, InnerRhs> for Option<T>

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type Output = <T as OptionSaturatingAdd<InnerRhs>>::Output

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fn opt_saturating_add( self, rhs: Option<InnerRhs> ) -> Option<<Option<T> as OptionSaturatingAdd<Option<InnerRhs>, InnerRhs>>::Output>

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impl<T, Rhs> OptionSaturatingAdd<Rhs> for Option<T>

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type Output = <T as OptionSaturatingAdd<Rhs>>::Output

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fn opt_saturating_add( self, rhs: Rhs ) -> Option<<Option<T> as OptionSaturatingAdd<Rhs>>::Output>

Implementors§

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impl OptionSaturatingAdd for Signed<u32>

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impl OptionSaturatingAdd for Signed<u64>

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impl OptionSaturatingAdd for Signed<usize>

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impl OptionSaturatingAdd for Signed<Buffers>

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impl OptionSaturatingAdd for Signed<Bytes>

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impl OptionSaturatingAdd for Signed<ClockTime>

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impl OptionSaturatingAdd for Signed<Default>

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impl OptionSaturatingAdd for Signed<Other>

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impl OptionSaturatingAdd for Signed<Percent>

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impl OptionSaturatingAdd for Buffers

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impl OptionSaturatingAdd for Bytes

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impl OptionSaturatingAdd for ClockTime

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impl OptionSaturatingAdd for Default

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impl OptionSaturatingAdd for Other

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impl OptionSaturatingAdd for Percent

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impl OptionSaturatingAdd<Signed<Buffers>> for Buffers

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impl OptionSaturatingAdd<Signed<Bytes>> for Bytes

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impl OptionSaturatingAdd<Signed<ClockTime>> for ClockTime

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impl OptionSaturatingAdd<Signed<Default>> for Default

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impl OptionSaturatingAdd<Signed<Other>> for Other

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impl OptionSaturatingAdd<Signed<Percent>> for Percent

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impl OptionSaturatingAdd<u32> for Signed<u32>

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impl OptionSaturatingAdd<u64> for Signed<u64>

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impl OptionSaturatingAdd<usize> for Signed<usize>

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impl OptionSaturatingAdd<Buffers> for Signed<Buffers>

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impl OptionSaturatingAdd<Bytes> for Signed<Bytes>

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impl OptionSaturatingAdd<ClockTime> for Signed<ClockTime>

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impl OptionSaturatingAdd<Default> for Signed<Default>

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impl OptionSaturatingAdd<Other> for Signed<Other>

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impl OptionSaturatingAdd<Percent> for Signed<Percent>

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impl<T, InnerRhs> OptionSaturatingAdd<&Option<InnerRhs>, InnerRhs> for T
where T: OptionOperations + OptionSaturatingAdd<InnerRhs>, InnerRhs: Copy,

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type Output = <T as OptionSaturatingAdd<InnerRhs>>::Output

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impl<T, InnerRhs> OptionSaturatingAdd<Option<InnerRhs>, InnerRhs> for T

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type Output = <T as OptionSaturatingAdd<InnerRhs>>::Output