Trait xylem::OptionSchemaExt [−][src]
pub trait OptionSchemaExt: Schema { }
Expand description
Implement this trait for a schema type to support standard Option
conversion.
This allows Option<T>
to be converted from Option<T::From>
,
using the conversion for T
if it is a Some
, preserving None
otherwise.
The argument type is passed as-is.