Struct TokenFlags 

pub struct TokenFlags(/* private fields */);

Implementations

impl TokenFlags

pub const DOUBLE_QUOTES: TokenFlags

The token is a string with double quotes (").

pub const TRIPLE_QUOTED_STRING: TokenFlags

The token is a triple-quoted string i.e., it starts and ends with three consecutive quote characters (""" or ''').

pub const UNICODE_STRING: TokenFlags

The token is a unicode string i.e., prefixed with u or U

pub const BYTE_STRING: TokenFlags

The token is a byte string i.e., prefixed with b or B

pub const F_STRING: TokenFlags

The token is an f-string i.e., prefixed with f or F

pub const T_STRING: TokenFlags

The token is a t-string i.e., prefixed with t or T

pub const RAW_STRING_LOWERCASE: TokenFlags

The token is a raw string and the prefix character is in lowercase.

pub const RAW_STRING_UPPERCASE: TokenFlags

The token is a raw string and the prefix character is in uppercase.

pub const UNCLOSED_STRING: TokenFlags

String without matching closing quote(s)

pub const RAW_STRING: TokenFlags

The token is a raw string i.e., prefixed with r or R

impl TokenFlags

pub const fn empty() -> TokenFlags

Get a flags value with all bits unset.

pub const fn all() -> TokenFlags

Get a flags value with all known bits set.

pub const fn bits(&self) -> u16

Get the underlying bits value.

The returned value is exactly the bits set in this flags value.

pub const fn from_bits(bits: u16) -> Option<TokenFlags>

Convert from a bits value.

This method will return None if any unknown bits are set.

pub const fn from_bits_truncate(bits: u16) -> TokenFlags

Convert from a bits value, unsetting any unknown bits.

pub const fn from_bits_retain(bits: u16) -> TokenFlags

Convert from a bits value exactly.

pub fn from_name(name: &str) -> Option<TokenFlags>

Get a flags value with the bits of a flag with the given name set.

This method will return None if name is empty or doesn’t correspond to any named flag.

pub const fn is_empty(&self) -> bool

Whether all bits in this flags value are unset.

pub const fn is_all(&self) -> bool

Whether all known bits in this flags value are set.

pub const fn intersects(&self, other: TokenFlags) -> bool

Whether any set bits in a source flags value are also set in a target flags value.

pub const fn contains(&self, other: TokenFlags) -> bool

Whether all set bits in a source flags value are also set in a target flags value.

pub fn insert(&mut self, other: TokenFlags)

The bitwise or (|) of the bits in two flags values.

pub fn remove(&mut self, other: TokenFlags)

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. remove won’t truncate other, but the ! operator will.

pub fn toggle(&mut self, other: TokenFlags)

The bitwise exclusive-or (^) of the bits in two flags values.

pub fn set(&mut self, other: TokenFlags, value: bool)

Call insert when value is true or remove when value is false.

pub const fn intersection(self, other: TokenFlags) -> TokenFlags

The bitwise and (&) of the bits in two flags values.

pub const fn union(self, other: TokenFlags) -> TokenFlags

The bitwise or (|) of the bits in two flags values.

pub const fn difference(self, other: TokenFlags) -> TokenFlags

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. difference won’t truncate other, but the ! operator will.

pub const fn symmetric_difference(self, other: TokenFlags) -> TokenFlags

The bitwise exclusive-or (^) of the bits in two flags values.

pub const fn complement(self) -> TokenFlags

The bitwise negation (!) of the bits in a flags value, truncating the result.

impl TokenFlags

pub const fn iter(&self) -> Iter<TokenFlags>

Yield a set of contained flags values.

Each yielded flags value will correspond to a defined named flag. Any unknown bits will be yielded together as a final flags value.

pub const fn iter_names(&self) -> IterNames<TokenFlags>

Yield a set of contained named flags values.

This method is like iter, except only yields bits in contained named flags. Any unknown bits, or bits not corresponding to a contained flag will not be yielded.

impl TokenFlags

pub const fn is_f_string(self) -> bool

Returns true if the token is an f-string.

pub const fn is_t_string(self) -> bool

Returns true if the token is a t-string.

pub const fn is_interpolated_string(self) -> bool

Returns true if the token is a t-string.

pub fn is_triple_quoted_interpolated_string(self) -> bool

Returns true if the token is a triple-quoted t-string.

pub const fn is_raw_string(self) -> bool

Returns true if the token is a raw string.

Trait Implementations

impl Binary for TokenFlags

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

Formats the value using the given formatter.

impl BitAnd for TokenFlags

fn bitand(self, other: TokenFlags) -> TokenFlags

The bitwise and (&) of the bits in two flags values.

type Output = TokenFlags

The resulting type after applying the & operator.

impl BitAndAssign for TokenFlags

fn bitand_assign(&mut self, other: TokenFlags)

The bitwise and (&) of the bits in two flags values.

impl BitOr for TokenFlags

fn bitor(self, other: TokenFlags) -> TokenFlags

The bitwise or (|) of the bits in two flags values.

type Output = TokenFlags

The resulting type after applying the | operator.

impl BitOrAssign for TokenFlags

fn bitor_assign(&mut self, other: TokenFlags)

The bitwise or (|) of the bits in two flags values.

impl BitXor for TokenFlags

fn bitxor(self, other: TokenFlags) -> TokenFlags

The bitwise exclusive-or (^) of the bits in two flags values.

type Output = TokenFlags

The resulting type after applying the ^ operator.

impl BitXorAssign for TokenFlags

fn bitxor_assign(&mut self, other: TokenFlags)

The bitwise exclusive-or (^) of the bits in two flags values.

impl Clone for TokenFlags

fn clone(&self) -> TokenFlags

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TokenFlags

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

Formats the value using the given formatter.

impl Extend<TokenFlags> for TokenFlags

fn extend<T>(&mut self, iterator: T)

where T: IntoIterator<Item = TokenFlags>,

The bitwise or (|) of the bits in each flags value.

fn extend_one(&mut self, item: A)

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

Extends a collection with exactly one element.

fn extend_reserve(&mut self, additional: usize)

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

Reserves capacity in a collection for the given number of additional elements.

impl Flags for TokenFlags

const FLAGS: &'static [Flag<TokenFlags>]

The set of defined flags.

type Bits = u16

The underlying bits type.

fn bits(&self) -> u16

Get the underlying bits value.

fn from_bits_retain(bits: u16) -> TokenFlags

Convert from a bits value exactly.

fn empty() -> Self

Get a flags value with all bits unset.

fn all() -> Self

Get a flags value with all known bits set.

fn known_bits(&self) -> Self::Bits

Get the known bits from a flags value.

fn unknown_bits(&self) -> Self::Bits

Get the unknown bits from a flags value.

fn contains_unknown_bits(&self) -> bool

This method will return true if any unknown bits are set.

fn from_bits(bits: Self::Bits) -> Option<Self>

Convert from a bits value.

fn from_bits_truncate(bits: Self::Bits) -> Self

Convert from a bits value, unsetting any unknown bits.

fn from_name(name: &str) -> Option<Self>

Get a flags value with the bits of a flag with the given name set.

fn iter(&self) -> Iter<Self>

Yield a set of contained flags values.

fn iter_names(&self) -> IterNames<Self>

Yield a set of contained named flags values.

fn iter_defined_names() -> IterDefinedNames<Self>

Yield a set of all named flags defined by Self::FLAGS.

fn is_empty(&self) -> bool

Whether all bits in this flags value are unset.

fn is_all(&self) -> bool

Whether all known bits in this flags value are set.

fn intersects(&self, other: Self) -> bool

where Self: Sized,

Whether any set bits in a source flags value are also set in a target flags value.

fn contains(&self, other: Self) -> bool

where Self: Sized,

Whether all set bits in a source flags value are also set in a target flags value.

fn truncate(&mut self)

where Self: Sized,

Remove any unknown bits from the flags.

fn insert(&mut self, other: Self)

where Self: Sized,

The bitwise or (|) of the bits in two flags values.

fn remove(&mut self, other: Self)

where Self: Sized,

The intersection of a source flags value with the complement of a target flags value (&!).

fn toggle(&mut self, other: Self)

where Self: Sized,

The bitwise exclusive-or (^) of the bits in two flags values.

fn set(&mut self, other: Self, value: bool)

where Self: Sized,

Call Flags::insert when value is true or Flags::remove when value is false.

fn clear(&mut self)

where Self: Sized,

Unsets all bits in the flags.

fn intersection(self, other: Self) -> Self

The bitwise and (&) of the bits in two flags values.

fn union(self, other: Self) -> Self

The bitwise or (|) of the bits in two flags values.

fn difference(self, other: Self) -> Self

The intersection of a source flags value with the complement of a target flags value (&!).

fn symmetric_difference(self, other: Self) -> Self

The bitwise exclusive-or (^) of the bits in two flags values.

fn complement(self) -> Self

The bitwise negation (!) of the bits in a flags value, truncating the result.

impl FromIterator<TokenFlags> for TokenFlags

fn from_iter<T>(iterator: T) -> TokenFlags

where T: IntoIterator<Item = TokenFlags>,

The bitwise or (|) of the bits in each flags value.

impl GetSize for TokenFlags

Available on crate feature get-size only.

fn get_stack_size() -> usize

Determines how may bytes this object occupies inside the stack.

fn get_heap_size(&self) -> usize

Determines how many bytes this object occupies inside the heap.

fn get_heap_size_with_tracker<T>(&self, tracker: T) -> (usize, T)

where T: GetSizeTracker,

Determines how many bytes this object occupies inside the heap while using a tracker.

fn get_size(&self) -> usize

Determines the total size of the object.

fn get_size_with_tracker<T>(&self, tracker: T) -> (usize, T)

where T: GetSizeTracker,

Determines the total size of the object while using a tracker.

impl IntoIterator for TokenFlags

type Item = TokenFlags

The type of the elements being iterated over.

type IntoIter = Iter<TokenFlags>

Which kind of iterator are we turning this into?

fn into_iter(self) -> <TokenFlags as IntoIterator>::IntoIter

Creates an iterator from a value.

impl LowerHex for TokenFlags

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

Formats the value using the given formatter.

impl Not for TokenFlags

fn not(self) -> TokenFlags

The bitwise negation (!) of the bits in a flags value, truncating the result.

type Output = TokenFlags

The resulting type after applying the ! operator.

impl Octal for TokenFlags

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

Formats the value using the given formatter.

impl PartialEq for TokenFlags

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StringFlags for TokenFlags

fn quote_style(self) -> Quote

Does the string use single or double quotes in its opener and closer?

fn triple_quotes(self) -> TripleQuotes

fn prefix(self) -> AnyStringPrefix

fn is_unclosed(self) -> bool

fn is_triple_quoted(self) -> bool

Is the string triple-quoted, i.e., does it begin and end with three consecutive quote characters?

fn quote_str(self) -> &'static str

A str representation of the quotes used to start and close. This does not include any prefixes the string has in its opener.

fn quote_len(self) -> TextSize

The length of the quotes used to start and close the string. This does not include the length of any prefixes the string has in its opener.

fn opener_len(self) -> TextSize

The total length of the string’s opener, i.e., the length of the prefixes plus the length of the quotes used to open the string.

fn closer_len(self) -> TextSize

The total length of the string’s closer. This is always equal to self.quote_len(), except when the string is unclosed, in which case the length is zero.

fn as_any_string_flags(self) -> AnyStringFlags

fn display_contents(self, contents: &str) -> DisplayFlags<'_>

impl Sub for TokenFlags

fn sub(self, other: TokenFlags) -> TokenFlags

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. difference won’t truncate other, but the ! operator will.

type Output = TokenFlags

The resulting type after applying the - operator.

impl SubAssign for TokenFlags

fn sub_assign(&mut self, other: TokenFlags)

The intersection of a source flags value with the complement of a target flags value (&!).

This method is not equivalent to self & !other when other has unknown bits set. difference won’t truncate other, but the ! operator will.

impl UpperHex for TokenFlags

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

Formats the value using the given formatter.

impl Copy for TokenFlags

impl Eq for TokenFlags

impl StructuralPartialEq for TokenFlags