Enum core::fmt::rt::Count

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pub enum Count {
    Is(usize),
    Param(usize),
    Implied,
}
🔬This is a nightly-only experimental API. (fmt_internals)
Expand description

Used by width and precision specifiers.

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Is(usize)

🔬This is a nightly-only experimental API. (fmt_internals)

Specified with a literal number, stores the value

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Param(usize)

🔬This is a nightly-only experimental API. (fmt_internals)

Specified using $ and * syntaxes, stores the index into args

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Implied

🔬This is a nightly-only experimental API. (fmt_internals)

Not specified

Trait Implementations§

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impl Clone for Count

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fn clone(&self) -> Count

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 Copy for Count

Auto Trait Implementations§

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impl Freeze for Count

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impl RefUnwindSafe for Count

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impl Send for Count

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impl Sync for Count

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impl Unpin for Count

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impl UnwindSafe for Count

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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> 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 Twhere 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> SizedTypeProperties for T

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const IS_ZST: bool = _

🔬This is a nightly-only experimental API. (sized_type_properties)
true if this type requires no storage. false if its size is greater than zero. Read more
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impl<T, U> TryFrom<U> for Twhere 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 Twhere 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.