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OptionAddAssign

Trait OptionAddAssign 

pub trait OptionAddAssign<Rhs = Self, InnerRhs = Rhs> {
    // Required method
    fn opt_add_assign(&mut self, rhs: Rhs);
}
Expand description

Trait for values and Options addition assignment.

Implementing this trait leads to the following auto-implementations:

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

This trait is auto-implemented for OptionOperations types implementing Add<Rhs>.

Required Methods§

fn opt_add_assign(&mut self, rhs: Rhs)

Performs the addition assignment.

self is unchanged if rhs is None.

Dyn Compatibility§

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types§

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

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fn opt_add_assign(&mut self, rhs: &Option<InnerRhs>)

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impl<T, InnerRhs> OptionAddAssign<Option<InnerRhs>, InnerRhs> for Option<T>
where T: OptionOperations + OptionAddAssign<InnerRhs>,

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fn opt_add_assign(&mut self, rhs: Option<InnerRhs>)

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

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fn opt_add_assign(&mut self, rhs: Rhs)

Implementors§

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

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impl<T, InnerRhs> OptionAddAssign<Option<InnerRhs>, InnerRhs> for T
where T: OptionOperations + OptionAddAssign<InnerRhs>,

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impl<T, Rhs> OptionAddAssign<Rhs> for T
where T: OptionOperations + AddAssign<Rhs>,