Struct Qualifiers 

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

The qualifiers a type can carry.

A bitmask in the interning key rather than a chain of wrapper nodes, so const int is one entry in the table beside int rather than a node pointing at it. That makes stripping qualifiers a field read instead of a walk, which matters because almost every semantic rule in C is stated on the unqualified type.

_Atomic is deliberately not here. C lets it be written in the same position as a qualifier, but _Atomic(T) is a different type from T with its own size and alignment, so it is a type constructor, TypeKind::Atomic, and the parser is what maps the qualifier spelling onto it.

Implementations

impl Qualifiers

pub const NONE: Qualifiers

No qualifiers.

pub const CONST: Qualifiers

const.

pub const VOLATILE: Qualifiers

volatile.

pub const RESTRICT: Qualifiers

restrict.

pub const fn has(self, other: Qualifiers) -> bool

Whether every qualifier in other is present here.

pub const fn with(self, other: Qualifiers) -> Qualifiers

This set with other added.

pub const fn without(self, other: Qualifiers) -> Qualifiers

This set with other removed.

pub const fn is_none(self) -> bool

Whether there are no qualifiers at all.

Trait Implementations

impl Clone for Qualifiers

fn clone(&self) -> Qualifiers

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Qualifiers

impl Debug for Qualifiers

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

Formats the value using the given formatter.

impl Default for Qualifiers

fn default() -> Qualifiers

Returns the “default value” for a type.

impl Eq for Qualifiers

impl Hash for Qualifiers

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, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for Qualifiers

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

This method returns an Ordering between self and other.

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

where Self: Sized,

Compares and returns the maximum of two values.

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

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

fn clamp_to<R>(self, range: R) -> Self

where Self: Sized, R: ClampBounds<Self>,

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

Restrict a value to a certain range.

impl PartialEq for Qualifiers

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for Qualifiers

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

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

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

Tests less than (for self and other) and is used by the < operator.

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

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

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

Tests greater than (for self and other) and is used by the > operator.

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

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

impl StructuralPartialEq for Qualifiers