pub struct AdtFlags(u16);
Tuple Fields§
§0: u16
Implementations§
Source§impl AdtFlags
impl AdtFlags
pub const NO_ADT_FLAGS: Self = _
Sourcepub const IS_PHANTOM_DATA: Self = _
pub const IS_PHANTOM_DATA: Self = _
Indicates whether the type is PhantomData
.
Sourcepub const IS_FUNDAMENTAL: Self = _
pub const IS_FUNDAMENTAL: Self = _
Indicates whether the type has a #[fundamental]
attribute.
Sourcepub const IS_MANUALLY_DROP: Self = _
pub const IS_MANUALLY_DROP: Self = _
Indicates whether the type is ManuallyDrop
.
Sourcepub const IS_VARIANT_LIST_NON_EXHAUSTIVE: Self = _
pub const IS_VARIANT_LIST_NON_EXHAUSTIVE: Self = _
Indicates whether the variant list of this ADT is #[non_exhaustive]
.
(i.e., this flag is never set unless this ADT is an enum).
Sourcepub const IS_UNSAFE_CELL: Self = _
pub const IS_UNSAFE_CELL: Self = _
Indicates whether the type is UnsafeCell
.
Sourcepub const IS_ANONYMOUS: Self = _
pub const IS_ANONYMOUS: Self = _
Indicates whether the type is anonymous.
Source§impl AdtFlags
impl AdtFlags
Sourcepub const fn bits(&self) -> u16
pub const fn bits(&self) -> u16
Get the underlying bits value.
The returned value is exactly the bits set in this flags value.
Sourcepub const fn from_bits(bits: u16) -> Option<Self>
pub const fn from_bits(bits: u16) -> Option<Self>
Convert from a bits value.
This method will return None
if any unknown bits are set.
Sourcepub const fn from_bits_truncate(bits: u16) -> Self
pub const fn from_bits_truncate(bits: u16) -> Self
Convert from a bits value, unsetting any unknown bits.
Sourcepub const fn from_bits_retain(bits: u16) -> Self
pub const fn from_bits_retain(bits: u16) -> Self
Convert from a bits value exactly.
Sourcepub fn from_name(name: &str) -> Option<Self>
pub fn from_name(name: &str) -> Option<Self>
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.
Sourcepub const fn intersects(&self, other: Self) -> bool
pub const fn intersects(&self, other: Self) -> bool
Whether any set bits in a source flags value are also set in a target flags value.
Sourcepub const fn contains(&self, other: Self) -> bool
pub const fn contains(&self, other: Self) -> bool
Whether all set bits in a source flags value are also set in a target flags value.
Sourcepub fn remove(&mut self, other: Self)
pub fn remove(&mut self, other: Self)
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.
Sourcepub fn toggle(&mut self, other: Self)
pub fn toggle(&mut self, other: Self)
The bitwise exclusive-or (^
) of the bits in two flags values.
Sourcepub fn set(&mut self, other: Self, value: bool)
pub fn set(&mut self, other: Self, value: bool)
Call insert
when value
is true
or remove
when value
is false
.
Sourcepub const fn intersection(self, other: Self) -> Self
pub const fn intersection(self, other: Self) -> Self
The bitwise and (&
) of the bits in two flags values.
Sourcepub const fn union(self, other: Self) -> Self
pub const fn union(self, other: Self) -> Self
The bitwise or (|
) of the bits in two flags values.
Sourcepub const fn difference(self, other: Self) -> Self
pub const fn difference(self, other: Self) -> Self
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.
Sourcepub const fn symmetric_difference(self, other: Self) -> Self
pub const fn symmetric_difference(self, other: Self) -> Self
The bitwise exclusive-or (^
) of the bits in two flags values.
Sourcepub const fn complement(self) -> Self
pub const fn complement(self) -> Self
The bitwise negation (!
) of the bits in a flags value, truncating the result.
Source§impl AdtFlags
impl AdtFlags
Sourcepub const fn iter(&self) -> Iter<AdtFlags>
pub const fn iter(&self) -> Iter<AdtFlags>
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.
Sourcepub const fn iter_names(&self) -> IterNames<AdtFlags>
pub const fn iter_names(&self) -> IterNames<AdtFlags>
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.
Trait Implementations§
Source§impl BitAndAssign for AdtFlags
impl BitAndAssign for AdtFlags
Source§fn bitand_assign(&mut self, other: Self)
fn bitand_assign(&mut self, other: Self)
The bitwise and (&
) of the bits in two flags values.
Source§impl BitOrAssign for AdtFlags
impl BitOrAssign for AdtFlags
Source§fn bitor_assign(&mut self, other: Self)
fn bitor_assign(&mut self, other: Self)
The bitwise or (|
) of the bits in two flags values.
Source§impl BitXorAssign for AdtFlags
impl BitXorAssign for AdtFlags
Source§fn bitxor_assign(&mut self, other: Self)
fn bitxor_assign(&mut self, other: Self)
The bitwise exclusive-or (^
) of the bits in two flags values.
Source§impl Extend<AdtFlags> for AdtFlags
impl Extend<AdtFlags> for AdtFlags
Source§fn extend<T: IntoIterator<Item = Self>>(&mut self, iterator: T)
fn extend<T: IntoIterator<Item = Self>>(&mut self, iterator: T)
The bitwise or (|
) of the bits in each flags value.
Source§fn extend_one(&mut self, item: A)
fn extend_one(&mut self, item: A)
extend_one
)Source§fn extend_reserve(&mut self, additional: usize)
fn extend_reserve(&mut self, additional: usize)
extend_one
)Source§impl Flags for AdtFlags
impl Flags for AdtFlags
Source§fn from_bits_retain(bits: u16) -> AdtFlags
fn from_bits_retain(bits: u16) -> AdtFlags
Source§fn from_bits_truncate(bits: Self::Bits) -> Self
fn from_bits_truncate(bits: Self::Bits) -> Self
Source§fn from_name(name: &str) -> Option<Self>
fn from_name(name: &str) -> Option<Self>
Source§fn iter_names(&self) -> IterNames<Self>
fn iter_names(&self) -> IterNames<Self>
Source§fn intersects(&self, other: Self) -> boolwhere
Self: Sized,
fn intersects(&self, other: Self) -> boolwhere
Self: Sized,
Source§fn contains(&self, other: Self) -> boolwhere
Self: Sized,
fn contains(&self, other: Self) -> boolwhere
Self: Sized,
Source§fn insert(&mut self, other: Self)where
Self: Sized,
fn insert(&mut self, other: Self)where
Self: Sized,
|
) of the bits in two flags values.Source§fn remove(&mut self, other: Self)where
Self: Sized,
fn remove(&mut self, other: Self)where
Self: Sized,
&!
). Read moreSource§fn toggle(&mut self, other: Self)where
Self: Sized,
fn toggle(&mut self, other: Self)where
Self: Sized,
^
) of the bits in two flags values.Source§fn intersection(self, other: Self) -> Self
fn intersection(self, other: Self) -> Self
&
) of the bits in two flags values.Source§fn difference(self, other: Self) -> Self
fn difference(self, other: Self) -> Self
&!
). Read moreSource§fn symmetric_difference(self, other: Self) -> Self
fn symmetric_difference(self, other: Self) -> Self
^
) of the bits in two flags values.Source§fn complement(self) -> Self
fn complement(self) -> Self
!
) of the bits in a flags value, truncating the result.Source§impl FromIterator<AdtFlags> for AdtFlags
impl FromIterator<AdtFlags> for AdtFlags
Source§fn from_iter<T: IntoIterator<Item = Self>>(iterator: T) -> Self
fn from_iter<T: IntoIterator<Item = Self>>(iterator: T) -> Self
The bitwise or (|
) of the bits in each flags value.
Source§impl<'__ctx> HashStable<StableHashingContext<'__ctx>> for AdtFlags
impl<'__ctx> HashStable<StableHashingContext<'__ctx>> for AdtFlags
fn hash_stable( &self, __hcx: &mut StableHashingContext<'__ctx>, __hasher: &mut StableHasher, )
Source§impl IntoIterator for AdtFlags
impl IntoIterator for AdtFlags
Source§impl Sub for AdtFlags
impl Sub for AdtFlags
Source§impl SubAssign for AdtFlags
impl SubAssign for AdtFlags
Source§fn sub_assign(&mut self, other: Self)
fn sub_assign(&mut self, other: Self)
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 Copy for AdtFlags
impl Eq for AdtFlags
impl StructuralPartialEq for AdtFlags
Auto Trait Implementations§
impl DynSend for AdtFlags
impl DynSync for AdtFlags
impl Freeze for AdtFlags
impl RefUnwindSafe for AdtFlags
impl Send for AdtFlags
impl Sync for AdtFlags
impl Unpin for AdtFlags
impl UnwindSafe for AdtFlags
Blanket Implementations§
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fn allocate_from_iter( arena: &'tcx Arena<'tcx>, iter: impl IntoIterator<Item = T>, ) -> &'tcx mut [T]
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Size: 2 bytes