Trait MaybeExtractor 

pub trait MaybeExtractor: Extractor<Output = Option<Self::Value>> {
    type Value;

    // Required method
    fn maybe_get(self) -> Option<Self::Value>;
}

Required Associated Types

type Value

Required Methods

fn maybe_get(self) -> Option<Self::Value>

Implementors

impl<T, V> MaybeExtractor for T

where T: Extractor<Output = Option<V>>,

type Value = V