Struct VariableParser

pub struct VariableParser<T>(/* private fields */);

Trait Implementations

impl<T> Clone for VariableParser<T>

fn clone(&self) -> Self

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<T: Debug> Debug for VariableParser<T>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<T> Default for VariableParser<T>

fn default() -> Self

Returns the “default value” for a type.

impl<T, K, V> TypedValueParser for VariableParser<T>

where K: Send + Sync + Clone + 'static, V: Send + Sync + Clone + 'static, for<'a> T: TypedVariable<Key<'a> = K, Value<'a> = V> + Send + Sync + Clone + 'static,

type Value = T

Argument’s value type

fn parse_ref( &self, _cmd: &Command, _arg: Option<&Arg>, value: &OsStr, ) -> Result<Self::Value, Error>

Parse the argument value

fn parse_ref_( &self, cmd: &Command, arg: Option<&Arg>, value: &OsStr, _source: ValueSource, ) -> Result<Self::Value, Error>

Parse the argument value

fn parse( &self, cmd: &Command, arg: Option<&Arg>, value: OsString, ) -> Result<Self::Value, Error>

Parse the argument value

fn parse_( &self, cmd: &Command, arg: Option<&Arg>, value: OsString, _source: ValueSource, ) -> Result<Self::Value, Error>

Parse the argument value

fn possible_values( &self, ) -> Option<Box<dyn Iterator<Item = PossibleValue> + '_>>

Reflect on enumerated value properties

fn map<T, F>(self, func: F) -> MapValueParser<Self, F>

where T: Send + Sync + Clone, F: Fn(Self::Value) -> T + Clone,

Adapt a TypedValueParser from one value to another

fn try_map<T, E, F>(self, func: F) -> TryMapValueParser<Self, F>

where F: Fn(Self::Value) -> Result<T, E> + Clone + Send + Sync + 'static, T: Send + Sync + Clone, E: Into<Box<dyn Error + Sync + Send>>,

Adapt a TypedValueParser from one value to another

impl<T: Copy> Copy for VariableParser<T>

impl<T: Send> Send for VariableParser<T>

impl<T: Sync> Sync for VariableParser<T>