Crate static_option 

An option type that is always Some or None, depending on a static type parameter.

Example

use static_option::*;

enum Inner<Selector: StaticOptionSelector> {
    A(StaticOption<Selector, i32>),
    B(StaticOption<Selector, u32>),
}

enum MaybeInitialised {
    Initialised(Inner<StaticOptionSome>),
    Uninitialised(Inner<StaticOptionNone>),
}

Structs

StaticOptionNone

Type indicating that a static option is None.

StaticOptionSome

Type indicating that a static option is Some.

Traits

StaticOptionSelector

A static option selector for Some or None. It is sealed and only implemented by StaticOptionSome and StaticOptionNone.

Type Aliases

StaticOption

The static option type. Selector is either StaticOptionSome or StaticOptionNone. Type is the inner type of the option, like Option<Type> in the standard library.