Struct nu_command::commands::First[−][src]

pub struct First;

Trait Implementations

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impl WholeStreamCommand for First

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fn name(&self) -> &str

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fn signature(&self) -> Signature

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fn usage(&self) -> &str

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fn run(&self, args: CommandArgs) -> Result<OutputStream, ShellError>

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fn examples(&self) -> Vec<Example>

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fn extra_usage(&self) -> &str

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fn run_with_actions(
    &self, 
    _args: CommandArgs
) -> Result<ActionStream, ShellError>

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fn is_binary(&self) -> bool

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fn is_private(&self) -> bool

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fn is_builtin(&self) -> bool

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fn is_sub(&self) -> bool

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fn is_plugin(&self) -> bool

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fn is_custom(&self) -> bool

Auto Trait Implementations

impl RefUnwindSafe for First

impl Send for First

impl Sync for First

impl Unpin for First

impl UnwindSafe for First

Blanket Implementations

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

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pub 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,

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pub 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,

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pub 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

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pub fn from(t: T) -> T

Performs the conversion.

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

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pub fn into(self) -> U

Performs the conversion.

impl<T> Pointable for T

pub const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

pub unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

pub unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

pub unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T> Same<T> for T

type Output = T

Should always be Self

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impl<T> SpannedItem for T

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fn spanned(self, span: impl Into<Span>) -> Spanned<Self>

Converts a value into a Spanned value

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fn spanned_unknown(self) -> Spanned<Self>

Converts a value into a Spanned value, using an unknown Span

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impl<T> TaggedItem for T

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fn tagged(self, tag: impl Into<Tag>) -> Tagged<Self>

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fn tagged_unknown(self) -> Tagged<Self>

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

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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

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

The type returned in the event of a conversion error.

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

Performs the conversion.

impl<V, T> VZip<V> for T where
    V: MultiLane<T>,

pub fn vzip(self) -> V