Struct ra_syntax::TextUnit

pub struct TextUnit(_);

An offset into text. Offset is represented as u32 storing number of utf8-bytes, but most of the clients should treat it like opaque measure.

Implementations

impl TextUnit

pub fn of_char(c: char) -> TextUnit

TextUnit equal to the length of this char.

pub fn of_str(s: &str) -> TextUnit

TextUnit equal to the length of this string.

Panics

Panics if the length of the string is greater than u32::max_value()

pub fn checked_sub(self, other: TextUnit) -> Option<TextUnit>

pub fn from_usize(size: usize) -> TextUnit

pub fn to_usize(self) -> usize

Trait Implementations

impl<'a, 'b> Add<&'a TextUnit> for &'b TextRange

type Output = TextRange

The resulting type after applying the + operator.

fn add(self, rhs: &'a TextUnit) -> TextRange

Performs the + operation.

impl<'a, 'b> Add<&'a TextUnit> for &'b TextUnit

type Output = TextUnit

The resulting type after applying the + operator.

fn add(self, rhs: &'a TextUnit) -> TextUnit

Performs the + operation.

impl<'a> Add<&'a TextUnit> for TextRange

type Output = TextRange

The resulting type after applying the + operator.

fn add(self, rhs: &'a TextUnit) -> TextRange

Performs the + operation.

impl<'a> Add<&'a TextUnit> for TextUnit

type Output = TextUnit

The resulting type after applying the + operator.

fn add(self, rhs: &'a TextUnit) -> TextUnit

Performs the + operation.

impl<'a> Add<TextUnit> for &'a TextRange

type Output = TextRange

The resulting type after applying the + operator.

fn add(self, rhs: TextUnit) -> TextRange

Performs the + operation.

impl<'a> Add<TextUnit> for &'a TextUnit

type Output = TextUnit

The resulting type after applying the + operator.

fn add(self, rhs: TextUnit) -> TextUnit

Performs the + operation.

impl Add<TextUnit> for TextRange

type Output = TextRange

The resulting type after applying the + operator.

fn add(self, rhs: TextUnit) -> TextRange

Performs the + operation.

impl Add<TextUnit> for TextUnit

type Output = TextUnit

The resulting type after applying the + operator.

fn add(self, rhs: TextUnit) -> TextUnit

Performs the + operation.

impl<'a> AddAssign<&'a TextUnit> for TextRange

fn add_assign(&mut self, rhs: &'a TextUnit)

Performs the += operation.

impl<'a> AddAssign<&'a TextUnit> for TextUnit

fn add_assign(&mut self, rhs: &'a TextUnit)

Performs the += operation.

impl AddAssign<TextUnit> for TextRange

fn add_assign(&mut self, rhs: TextUnit)

Performs the += operation.

impl AddAssign<TextUnit> for TextUnit

fn add_assign(&mut self, rhs: TextUnit)

Performs the += operation.

impl Clone for TextUnit

fn clone(&self) -> TextUnit

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for TextUnit

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Default for TextUnit

fn default() -> TextUnit

Returns the “default value” for a type.

impl Display for TextUnit

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl From<u32> for TextUnit

fn from(tu: u32) -> TextUnit

Converts to this type from the input type.

impl Hash for TextUnit

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

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)where
    H: Hasher,
    Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for TextUnit

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

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Selfwhere
    Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Selfwhere
    Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Selfwhere
    Self: Sized + PartialOrd<Self>,

Restrict a value to a certain interval.

impl PartialEq<TextUnit> for TextUnit

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

This method tests for self and other values to be equal, and is used by ==.

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.

impl PartialOrd<TextUnit> for TextUnit

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

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl RangeBounds<TextUnit> for TextRange

fn start_bound(&self) -> Bound<&TextUnit>

Start index bound.

fn end_bound(&self) -> Bound<&TextUnit>

End index bound.

fn contains<U>(&self, item: &U) -> boolwhere
    T: PartialOrd<U>,
    U: PartialOrd<T> + ?Sized,

Returns true if item is contained in the range.

impl<'a, 'b> Sub<&'a TextUnit> for &'b TextRange

type Output = TextRange

The resulting type after applying the - operator.

fn sub(self, rhs: &'a TextUnit) -> TextRange

Performs the - operation.

impl<'a, 'b> Sub<&'a TextUnit> for &'b TextUnit

type Output = TextUnit

The resulting type after applying the - operator.

fn sub(self, rhs: &'a TextUnit) -> TextUnit

Performs the - operation.

impl<'a> Sub<&'a TextUnit> for TextRange

type Output = TextRange

The resulting type after applying the - operator.

fn sub(self, rhs: &'a TextUnit) -> TextRange

Performs the - operation.

impl<'a> Sub<&'a TextUnit> for TextUnit

type Output = TextUnit

The resulting type after applying the - operator.

fn sub(self, rhs: &'a TextUnit) -> TextUnit

Performs the - operation.

impl<'a> Sub<TextUnit> for &'a TextRange

type Output = TextRange

The resulting type after applying the - operator.

fn sub(self, rhs: TextUnit) -> TextRange

Performs the - operation.

impl<'a> Sub<TextUnit> for &'a TextUnit

type Output = TextUnit

The resulting type after applying the - operator.

fn sub(self, rhs: TextUnit) -> TextUnit

Performs the - operation.

impl Sub<TextUnit> for TextRange

type Output = TextRange

The resulting type after applying the - operator.

fn sub(self, rhs: TextUnit) -> TextRange

Performs the - operation.

impl Sub<TextUnit> for TextUnit

type Output = TextUnit

The resulting type after applying the - operator.

fn sub(self, rhs: TextUnit) -> TextUnit

Performs the - operation.

impl<'a> SubAssign<&'a TextUnit> for TextRange

fn sub_assign(&mut self, rhs: &'a TextUnit)

Performs the -= operation.

impl<'a> SubAssign<&'a TextUnit> for TextUnit

fn sub_assign(&mut self, rhs: &'a TextUnit)

Performs the -= operation.

impl SubAssign<TextUnit> for TextRange

fn sub_assign(&mut self, rhs: TextUnit)

Performs the -= operation.

impl SubAssign<TextUnit> for TextUnit

fn sub_assign(&mut self, rhs: TextUnit)

Performs the -= operation.

impl<'a> Sum<&'a TextUnit> for TextUnit

fn sum<I>(iter: I) -> TextUnitwhere
    I: Iterator<Item = &'a TextUnit>,

Method which takes an iterator and generates Self from the elements by “summing up” the items.

impl Sum<TextUnit> for TextUnit

fn sum<I>(iter: I) -> TextUnitwhere
    I: Iterator<Item = TextUnit>,

Method which takes an iterator and generates Self from the elements by “summing up” the items.

impl Copy for TextUnit

impl Eq for TextUnit

impl StructuralEq for TextUnit

impl StructuralPartialEq for TextUnit