pub trait Nullable: Default + Into<Option<Self::Wrapped>> + Sealed { }
Expand description

Wrapper trait for an Option, allowing user-defined structs to be input as containers when defining a null element.

Note: this trait is currently sealed and cannot be implemented for types outside this crate.

Implementations on Foreign Types§

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impl<T> Nullable for Option<T>

Implementors§

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impl<T: Zero> Nullable for NotZero<T>