[−][src]Trait spirit::fragment::Optional
A trait similar to Stackable
, but marking the ability to be optional.
This allows using the Fragment
as Option<F>
. This is automatically implemented for all
Stackable
fragments.
A trait similar to Stackable
, but marking the ability to be optional.
This allows using the Fragment
as Option<F>
. This is automatically implemented for all
Stackable
fragments.