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§

type Output

The resulting inner type after applying the addition.

Required Methods§

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