Struct clap::builder::BoolValueParser

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#[non_exhaustive]
pub struct BoolValueParser {}

Expand description

Implementation for ValueParser::bool

Useful for composing new TypedValueParsers

Implementations

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impl BoolValueParser

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pub fn new() -> Self

Implementation for ValueParser::bool

Trait Implementations

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impl Clone for BoolValueParser

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fn clone(&self) -> BoolValueParser

Returns a copy of the value. Read more

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

Performs copy-assignment from source. Read more

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impl Debug for BoolValueParser

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

Formats the value using the given formatter. Read more

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impl Default for BoolValueParser

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fn default() -> Self

Returns the “default value” for a type. Read more

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impl TypedValueParser for BoolValueParser

type Value = bool

Argument’s value type

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fn parse_ref(
 &self,
 cmd: &Command<'_>,
 arg: Option<&Arg<'_>>,
 value: &OsStr
) -> Result<Self::Value, Error>

Parse the argument value Read more

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

Reflect on enumerated value properties Read more

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

Parse the argument value Read more

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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 Read more

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impl Copy for BoolValueParser

Auto Trait Implementations

impl RefUnwindSafe for BoolValueParser

impl Send for BoolValueParser

impl Sync for BoolValueParser

impl Unpin for BoolValueParser

impl UnwindSafe for BoolValueParser

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct clap::builder::BoolValueParser

Implementations

impl BoolValueParser

pub fn new() -> Self

Trait Implementations

impl Clone for BoolValueParser

fn clone(&self) -> BoolValueParser

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

impl Debug for BoolValueParser

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

impl Default for BoolValueParser

fn default() -> Self

impl TypedValueParser for BoolValueParser

type Value = bool

fn parse_ref( &self, cmd: &Command<'_>, arg: Option<&Arg<'_>>, value: &OsStr) -> Result<Self::Value, Error>

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

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

fn map<T, F>(self, func: F) -> MapValueParser<Self, F> where T: Send + Sync + Clone, F: Fn(Self::Value) -> T + Clone,

impl Copy for BoolValueParser

Auto Trait Implementations

impl RefUnwindSafe for BoolValueParser

impl Send for BoolValueParser

impl Sync for BoolValueParser

impl Unpin for BoolValueParser

impl UnwindSafe for BoolValueParser

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

fn into(self) -> U

impl<T> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

fn parse_ref(
&self,
cmd: &Command<'_>,
arg: Option<&Arg<'_>>,
value: &OsStr
) -> Result<Self::Value, Error>

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

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

fn map<T, F>(self, func: F) -> MapValueParser<Self, F> where
T: Send + Sync + Clone,
F: Fn(Self::Value) -> T + Clone,

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToOwned for T where
T: Clone,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,