Struct argle::OptTryMap

pub struct OptTryMap<A, F> { /* fields omitted */ }

Trait Implementations

impl<T, A, U, E, F> Param for OptTryMap<A, F> where     A: Param<Item = Option<T>>,     E: Debug + Display,     F: Fn(T) -> Result<U, E>,

type Item = Option<U>

type Error = TryMapError<A::Error, E>

fn update_options(&self, opts: &mut Options, notes: Notes)

fn name(&self) -> String

fn get(&self, matches: &Matches) -> Result<Self::Item, Self::Error>

fn parse<C: IntoIterator>(     &self,     args: C,     which_notes_to_document: WhichNotes ) -> (Result<Self::Item, TopLevelError<Self::Error>>, Usage) where     C::Item: AsRef<OsStr>,

fn parse_env(     &self,     which_notes_to_document: WhichNotes,     program_name: ProgramName ) -> (Result<Self::Item, TopLevelError<Self::Error>>, UsageWithProgramName)

fn parse_env_default(     &self ) -> (Result<Self::Item, TopLevelError<Self::Error>>, UsageWithProgramName)