Struct syntax::parse::parser::Restrictions

pub struct Restrictions { /* fields omitted */ }

Methods

impl Restrictions

pub const STMT_EXPR: Restrictions

STMT_EXPR: Restrictions = Restrictions{bits: 1 << 0,}

pub const NO_STRUCT_LITERAL: Restrictions

NO_STRUCT_LITERAL: Restrictions = Restrictions{bits: 1 << 1,}

pub fn empty() -> Restrictions

Returns an empty set of flags.

pub fn all() -> Restrictions

Returns the set containing all flags.

pub fn bits(&self) -> u8

Returns the raw value of the flags currently stored.

pub fn from_bits(bits: u8) -> Option<Restrictions>

Convert from underlying bit representation, unless that representation contains bits that do not correspond to a flag.

pub fn from_bits_truncate(bits: u8) -> Restrictions

Convert from underlying bit representation, dropping any bits that do not correspond to flags.

pub fn is_empty(&self) -> bool

Returns true if no flags are currently stored.

pub fn is_all(&self) -> bool

Returns true if all flags are currently set.

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

Returns true if there are flags common to both self and other.

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

Returns true all of the flags in other are contained within self.

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

Inserts the specified flags in-place.

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

Removes the specified flags in-place.

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

Toggles the specified flags in-place.

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

Inserts or removes the specified flags depending on the passed value.

Trait Implementations

impl Copy for Restrictions

impl PartialEq for Restrictions

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

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

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

This method tests for !=.

impl Eq for Restrictions

impl Clone for Restrictions

fn clone(&self) -> Restrictions

Returns a copy of the value.

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

Performs copy-assignment from source.

impl PartialOrd for Restrictions

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

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

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

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

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

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

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

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

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

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

impl Ord for Restrictions

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

This method returns an Ordering between self and other.

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

Compares and returns the maximum of two values.

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

Compares and returns the minimum of two values.

impl Hash for Restrictions

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

Feeds this value into the given [Hasher].

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

Feeds a slice of this type into the given [Hasher].

impl Debug for Restrictions

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Binary for Restrictions

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Octal for Restrictions

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl LowerHex for Restrictions

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl UpperHex for Restrictions

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl BitOr for Restrictions

type Output = Restrictions

The resulting type after applying the | operator.

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

Returns the union of the two sets of flags.

impl BitOrAssign for Restrictions

fn bitor_assign(&mut self, other: Restrictions)

Adds the set of flags.

impl BitXor for Restrictions

type Output = Restrictions

The resulting type after applying the ^ operator.

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

Returns the left flags, but with all the right flags toggled.

impl BitXorAssign for Restrictions

fn bitxor_assign(&mut self, other: Restrictions)

Toggles the set of flags.

impl BitAnd for Restrictions

type Output = Restrictions

The resulting type after applying the & operator.

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

Returns the intersection between the two sets of flags.

impl BitAndAssign for Restrictions

fn bitand_assign(&mut self, other: Restrictions)

Disables all flags disabled in the set.

impl Sub for Restrictions

type Output = Restrictions

The resulting type after applying the - operator.

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

Returns the set difference of the two sets of flags.

impl SubAssign for Restrictions

fn sub_assign(&mut self, other: Restrictions)

Disables all flags enabled in the set.

impl Not for Restrictions

type Output = Restrictions

The resulting type after applying the ! operator.

fn not(self) -> Restrictions

Returns the complement of this set of flags.

impl Extend<Restrictions> for Restrictions

fn extend<T: IntoIterator<Item = Restrictions>>(&mut self, iterator: T)

Extends a collection with the contents of an iterator.

impl FromIterator<Restrictions> for Restrictions

fn from_iter<T: IntoIterator<Item = Restrictions>>(iterator: T) -> Restrictions

Creates a value from an iterator.