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Capabilities

Struct Capabilities 

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pub struct Capabilities(/* private fields */);
Expand description

A space-separated capability list, kept as raw strings.

Not a bitfield: agent=… and object-format=… carry values, unknown capabilities must survive round-tripping for diagnostics, and the set grows with every git release. A server that dropped what it did not recognise would report a peer’s capabilities as smaller than they were.

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impl Capabilities

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pub fn parse(raw: &str) -> Self

Parse a space-separated capability list.

Empty items are dropped. git’s own receive-pack client emits …\0 report-status-v2 … with a leading space, which a naive split(' ') turns into a phantom capability with an empty name.

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pub fn parse_bytes(raw: &[u8]) -> Result<Self>

Parse from bytes, refusing a list that is not UTF-8.

Reference names are bytes (see crate::command); capability names are not — every one git defines is ASCII, and a non-ASCII one would be a peer this grammar has no way to satisfy.

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pub fn from_items<S: Into<String>>(items: impl IntoIterator<Item = S>) -> Self

Build from an ordered list.

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pub fn has(&self, name: &str) -> bool

Is this capability present, with or without a value?

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pub fn value(&self, name: &str) -> Option<&str>

The value of name=value, or None when absent or valueless.

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pub fn all(&self) -> &[String]

Every capability, in the order it appeared.

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pub fn render(&self) -> String

The wire form: the items joined by single spaces.

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pub fn is_empty(&self) -> bool

Is the list empty?

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impl Clone for Capabilities

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fn clone(&self) -> Capabilities

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for Capabilities

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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 Capabilities

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fn default() -> Capabilities

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

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impl PartialEq for Capabilities

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fn eq(&self, other: &Capabilities) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for Capabilities

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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,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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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> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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

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type Error = Infallible

The type returned in the event of a conversion error.
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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>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.