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Comment

Struct Comment 

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pub struct Comment<'input> { /* private fields */ }
Expand description

YAML comment metadata captured from the source.

Comments are presentation metadata, not YAML data. This type carries the raw comment payload and a best-effort Placement hint. The companion Token carries the comment’s source span.

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impl<'input> Comment<'input>

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pub fn new(text: impl Into<Cow<'input, str>>) -> Self

Create captured YAML comment metadata from a raw payload.

The placement defaults to Placement::Free. Use Comment::with_placement when the caller already knows a more specific placement.

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pub fn with_placement(self, placement: Placement) -> Self

Return this comment with the given placement.

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pub fn text(&self) -> &str

Return the raw comment payload exactly after #, excluding only the line break.

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pub const fn placement(&self) -> Placement

Return the best-effort placement of this comment relative to nearby YAML content.

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pub fn into_text(self) -> Cow<'input, str>

Consume the comment and return its raw payload without cloning.

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pub fn trimmed_text(&self) -> &str

Return the comment payload with surrounding whitespace removed.

This helper is ergonomic only. The raw Self::text payload remains unchanged.

Trait Implementations§

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impl AsRef<str> for Comment<'_>

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fn as_ref(&self) -> &str

Converts this type into a shared reference of the (usually inferred) input type.
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impl<'input> Clone for Comment<'input>

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fn clone(&self) -> Comment<'input>

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<'input> Debug for Comment<'input>

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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<'input> Eq for Comment<'input>

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impl<'input> PartialEq for Comment<'input>

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fn eq(&self, other: &Comment<'input>) -> 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<'input> StructuralPartialEq for Comment<'input>

Auto Trait Implementations§

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impl<'input> Freeze for Comment<'input>

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impl<'input> RefUnwindSafe for Comment<'input>

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impl<'input> Send for Comment<'input>

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impl<'input> Sync for Comment<'input>

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impl<'input> Unpin for Comment<'input>

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impl<'input> UnsafeUnpin for Comment<'input>

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impl<'input> UnwindSafe for Comment<'input>

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> 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.