miette

Struct SourceOffset

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pub struct SourceOffset(/* private fields */);
Expand description

Newtype that represents the ByteOffset from the beginning of a SourceCode

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impl SourceOffset

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pub const fn offset(&self) -> ByteOffset

Actual byte offset.

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pub fn from_location( source: impl AsRef<str>, loc_line: usize, loc_col: usize, ) -> Self

Little utility to help convert 1-based line/column locations into miette-compatible Spans

This function is infallible: Giving an out-of-range line/column pair will return the offset of the last byte in the source.

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pub fn from_current_location() -> Result<(String, Self), MietteError>

Returns an offset for the file location of wherever this function is called. If you want to get that caller’s location, mark this function’s caller with #[track_caller] (and so on and so forth).

Returns both the filename that was given and the offset of the caller as a SourceOffset.

Keep in mind that this fill only work if the file your Rust source file was compiled from is actually available at that location. If you’re shipping binaries for your application, you’ll want to ignore the Err case or otherwise report it.

Trait Implementations§

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impl Clone for SourceOffset

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fn clone(&self) -> SourceOffset

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 SourceOffset

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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 From<SourceOffset> for SourceSpan

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fn from(offset: SourceOffset) -> Self

Converts to this type from the input type.
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impl From<usize> for SourceOffset

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fn from(bytes: ByteOffset) -> Self

Converts to this type from the input type.
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impl Hash for SourceOffset

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Ord for SourceOffset

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fn cmp(&self, other: &SourceOffset) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
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impl PartialEq for SourceOffset

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fn eq(&self, other: &SourceOffset) -> 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 PartialOrd for SourceOffset

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fn partial_cmp(&self, other: &SourceOffset) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl Copy for SourceOffset

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impl Eq for SourceOffset

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impl StructuralPartialEq for SourceOffset

Auto Trait Implementations§

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> 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.