Trait Transform 

pub trait Transform<In, Out> {
    // Required method
    fn process(&mut self, item: In) -> Result<Option<Out>, FabricError>;
}

Transforms an input item into zero or one output items.

Returns Ok(Some(out)) to emit an item downstream, or Ok(None) to filter the item out (no output for this input).

Required Methods

fn process(&mut self, item: In) -> Result<Option<Out>, FabricError>

Implementors