rustc_parse_format

Struct FormatSpec

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pub struct FormatSpec<'a> {
Show 13 fields
    pub fill: Option<char>,
    pub fill_span: Option<InnerSpan>,
    pub align: Alignment,
    pub sign: Option<Sign>,
    pub alternate: bool,
    pub zero_pad: bool,
    pub debug_hex: Option<DebugHex>,
    pub precision: Count<'a>,
    pub precision_span: Option<InnerSpan>,
    pub width: Count<'a>,
    pub width_span: Option<InnerSpan>,
    pub ty: &'a str,
    pub ty_span: Option<InnerSpan>,

}
Expand description

Specification for the formatting of an argument in the format string.

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§fill: Option<char>

Optionally specified character to fill alignment with.

§fill_span: Option<InnerSpan>

Span of the optionally specified fill character.

§align: Alignment

Optionally specified alignment.

§sign: Option<Sign>

The + or - flag.

§alternate: bool

The # flag.

§zero_pad: bool

The 0 flag.

§debug_hex: Option<DebugHex>

The x or X flag. (Only for Debug.)

§precision: Count<'a>

The integer precision to use.

§precision_span: Option<InnerSpan>

The span of the precision formatting flag (for diagnostics).

§width: Count<'a>

The string width requested for the resulting format.

§width_span: Option<InnerSpan>

The span of the width formatting flag (for diagnostics).

§ty: &'a str

The descriptor string representing the name of the format desired for this argument, this can be empty or any number of characters, although it is required to be one word.

§ty_span: Option<InnerSpan>

The span of the descriptor string (for diagnostics).

Trait Implementations§

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impl<'a> Clone for FormatSpec<'a>

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fn clone(&self) -> FormatSpec<'a>

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<'a> Debug for FormatSpec<'a>

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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<'a> PartialEq for FormatSpec<'a>

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fn eq(&self, other: &FormatSpec<'a>) -> 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<'a> Copy for FormatSpec<'a>

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impl<'a> StructuralPartialEq for FormatSpec<'a>

Auto Trait Implementations§

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impl<'a> Freeze for FormatSpec<'a>

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impl<'a> RefUnwindSafe for FormatSpec<'a>

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impl<'a> Send for FormatSpec<'a>

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impl<'a> Sync for FormatSpec<'a>

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impl<'a> Unpin for FormatSpec<'a>

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impl<'a> UnwindSafe for FormatSpec<'a>

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, 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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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

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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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
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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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

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

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 208 bytes