Struct hir_def::hir::format_args::FormatPlaceholder

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pub struct FormatPlaceholder {
    pub argument: FormatArgPosition,
    pub span: Option<TextRange>,
    pub format_trait: FormatTrait,
    pub format_options: FormatOptions,
}

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§argument: FormatArgPosition

Index into FormatArgs::arguments.

§span: Option<TextRange>

The span inside the format string for the full {…} placeholder.

§format_trait: FormatTrait

{}, {:?}, or {:x}, etc.

§format_options: FormatOptions

{} or {:.5} or {:-^20}, etc.

Trait Implementations§

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impl Clone for FormatPlaceholder

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fn clone(&self) -> FormatPlaceholder

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 FormatPlaceholder

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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 PartialEq for FormatPlaceholder

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for FormatPlaceholder

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impl Eq for FormatPlaceholder

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impl StructuralPartialEq for FormatPlaceholder

Auto Trait 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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where T: ?Sized,

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Immutably borrows from an owned value. Read more
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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, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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Calls U::from(self).

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

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Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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type Owned = T

The resulting type after obtaining ownership.
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type Error = Infallible

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

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