Struct rustc::ty::AdtFlags

pub struct AdtFlags { /* fields omitted */ }

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Methods

impl AdtFlags

pub const NO_ADT_FLAGS: AdtFlags

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NO_ADT_FLAGS: AdtFlags = AdtFlags{bits: 0,}

pub const IS_ENUM: AdtFlags

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IS_ENUM: AdtFlags = AdtFlags{bits: 1 << 0,}

pub const IS_PHANTOM_DATA: AdtFlags

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IS_PHANTOM_DATA: AdtFlags = AdtFlags{bits: 1 << 1,}

pub const IS_FUNDAMENTAL: AdtFlags

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IS_FUNDAMENTAL: AdtFlags = AdtFlags{bits: 1 << 2,}

pub const IS_UNION: AdtFlags

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IS_UNION: AdtFlags = AdtFlags{bits: 1 << 3,}

pub const IS_BOX: AdtFlags

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IS_BOX: AdtFlags = AdtFlags{bits: 1 << 4,}

pub const IS_NON_EXHAUSTIVE: AdtFlags

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IS_NON_EXHAUSTIVE: AdtFlags = AdtFlags{bits: 1 << 5,}

Indicates whether this abstract data type will be expanded on in future (new fields/variants) and as such, whether downstream crates must match exhaustively on the fields/variants of this data type.

See RFC 2008 (https://github.com/rust-lang/rfcs/pull/2008).

pub fn empty() -> AdtFlags

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Returns an empty set of flags.

pub fn all() -> AdtFlags

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Returns the set containing all flags.

pub fn bits(&self) -> u32

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Returns the raw value of the flags currently stored.

pub fn from_bits(bits: u32) -> Option<AdtFlags>

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

pub fn from_bits_truncate(bits: u32) -> AdtFlags

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

pub fn is_empty(&self) -> bool

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Returns true if no flags are currently stored.

pub fn is_all(&self) -> bool

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Returns true if all flags are currently set.

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

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

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

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

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

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Inserts the specified flags in-place.

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

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Removes the specified flags in-place.

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

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Toggles the specified flags in-place.

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

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

Trait Implementations

impl<'gcx> HashStable<StableHashingContext<'gcx>> for AdtFlags

fn hash_stable<W: StableHasherResult>(
    &self,
    _: &mut StableHashingContext<'gcx>,
    hasher: &mut StableHasher<W>
)

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impl Copy for AdtFlags

impl PartialEq for AdtFlags

fn eq(&self, __arg_0: &AdtFlags) -> bool

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

fn ne(&self, __arg_0: &AdtFlags) -> bool

This method tests for !=.

impl Eq for AdtFlags

impl Clone for AdtFlags

fn clone(&self) -> AdtFlags

Returns a copy of the value.

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

Performs copy-assignment from source.

impl PartialOrd for AdtFlags

fn partial_cmp(&self, __arg_0: &AdtFlags) -> Option<Ordering>

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

fn lt(&self, __arg_0: &AdtFlags) -> bool

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

fn le(&self, __arg_0: &AdtFlags) -> bool

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

fn gt(&self, __arg_0: &AdtFlags) -> bool

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

fn ge(&self, __arg_0: &AdtFlags) -> bool

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

impl Ord for AdtFlags

fn cmp(&self, __arg_0: &AdtFlags) -> 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 AdtFlags

fn hash<__H: Hasher>(&self, __arg_0: &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 AdtFlags

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

Formats the value using the given formatter.

impl Binary for AdtFlags

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

Formats the value using the given formatter.

impl Octal for AdtFlags

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

Formats the value using the given formatter.

impl LowerHex for AdtFlags

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

Formats the value using the given formatter.

impl UpperHex for AdtFlags

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

Formats the value using the given formatter.

impl BitOr for AdtFlags

type Output = AdtFlags

The resulting type after applying the | operator.

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

Returns the union of the two sets of flags.

impl BitOrAssign for AdtFlags

fn bitor_assign(&mut self, other: AdtFlags)

Adds the set of flags.

impl BitXor for AdtFlags

type Output = AdtFlags

The resulting type after applying the ^ operator.

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

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

impl BitXorAssign for AdtFlags

fn bitxor_assign(&mut self, other: AdtFlags)

Toggles the set of flags.

impl BitAnd for AdtFlags

type Output = AdtFlags

The resulting type after applying the & operator.

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

Returns the intersection between the two sets of flags.

impl BitAndAssign for AdtFlags

fn bitand_assign(&mut self, other: AdtFlags)

Disables all flags disabled in the set.

impl Sub for AdtFlags

type Output = AdtFlags

The resulting type after applying the - operator.

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

Returns the set difference of the two sets of flags.

impl SubAssign for AdtFlags

fn sub_assign(&mut self, other: AdtFlags)

Disables all flags enabled in the set.

impl Not for AdtFlags

type Output = AdtFlags

The resulting type after applying the ! operator.

fn not(self) -> AdtFlags

Returns the complement of this set of flags.

impl Extend<AdtFlags> for AdtFlags

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

Extends a collection with the contents of an iterator.

impl FromIterator<AdtFlags> for AdtFlags

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

Creates a value from an iterator.