pub enum Substitution<'a> {
    Format(Format<'a>),
    Escape((usize, usize)),
}
Expand description

Represents a single printf-style substitution.

Variants§

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Format(Format<'a>)

A formatted output substitution with its internal byte offset.

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Escape((usize, usize))

A literal %% escape, with its start and end indices.

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impl<'a> Substitution<'a>

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pub fn as_str(&self) -> &str

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pub fn position(&self) -> Option<InnerSpan>

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pub fn set_position(&mut self, start: usize, end: usize)

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pub fn translate(&self) -> Result<String, Option<String>>

Translate this substitution into an equivalent Rust formatting directive.

This ignores cases where the substitution does not have an exact equivalent, or where the substitution would be unnecessary.

Trait Implementations§

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impl<'a> Clone for Substitution<'a>

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fn clone(&self) -> Substitution<'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 Substitution<'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<Substitution<'a>> for Substitution<'a>

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fn eq(&self, other: &Substitution<'a>) -> bool

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<'a> StructuralPartialEq for Substitution<'a>

Auto Trait Implementations§

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impl<'a> RefUnwindSafe for Substitution<'a>

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impl<'a> Send for Substitution<'a>

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impl<'a> Sync for Substitution<'a>

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impl<'a> Unpin for Substitution<'a>

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impl<'a> UnwindSafe for Substitution<'a>

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> ToOwned for Twhere 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 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.

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: 96 bytes

Size for each variant:

  • Format: 96 bytes
  • Escape: 16 bytes