Struct env_extractor::SingleValue

pub struct SingleValue {
    pub key: String,
}

Fields

key: String

Implementations

impl SingleValue

pub fn new<A: Into<String>>(key: A) -> SingleValue

pub fn as_optional<A>(&self) -> Result<A, Self::Err> where
    Self: CanExtractOptional<A>, 

pub fn as_required<A>(&self) -> Result<A, Self::Err> where
    Self: CanExtractRequired<A>, 

Trait Implementations

impl<A: FromStr> CanExtractOptional<Option<A>> for SingleValue where
    <A as FromStr>::Err: Debug, 

type Err = Error<<A as FromStr>::Err>

fn get_optional(&self) -> Result<Option<A>, Self::Err>

impl<A: FromStr> CanExtractRequired<A> for SingleValue where
    <A as FromStr>::Err: Debug, 

type Err = Error<<A as FromStr>::Err>

fn get_required(&self) -> Result<A, Self::Err>