Struct rustc::ty::TypeFlags

pub struct TypeFlags { /* fields omitted */ }

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Methods

impl TypeFlags

pub const HAS_PARAMS: TypeFlags

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HAS_PARAMS: TypeFlags = TypeFlags{bits: 1 << 0,}

pub const HAS_SELF: TypeFlags

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HAS_SELF: TypeFlags = TypeFlags{bits: 1 << 1,}

pub const HAS_TY_INFER: TypeFlags

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HAS_TY_INFER: TypeFlags = TypeFlags{bits: 1 << 2,}

pub const HAS_RE_INFER: TypeFlags

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HAS_RE_INFER: TypeFlags = TypeFlags{bits: 1 << 3,}

pub const HAS_RE_SKOL: TypeFlags

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HAS_RE_SKOL: TypeFlags = TypeFlags{bits: 1 << 4,}

pub const HAS_RE_EARLY_BOUND: TypeFlags

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HAS_RE_EARLY_BOUND: TypeFlags = TypeFlags{bits: 1 << 5,}

pub const HAS_FREE_REGIONS: TypeFlags

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HAS_FREE_REGIONS: TypeFlags = TypeFlags{bits: 1 << 6,}

pub const HAS_TY_ERR: TypeFlags

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HAS_TY_ERR: TypeFlags = TypeFlags{bits: 1 << 7,}

pub const HAS_PROJECTION: TypeFlags

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HAS_PROJECTION: TypeFlags = TypeFlags{bits: 1 << 8,}

pub const HAS_TY_CLOSURE: TypeFlags

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HAS_TY_CLOSURE: TypeFlags = TypeFlags{bits: 1 << 9,}

pub const HAS_LOCAL_NAMES: TypeFlags

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HAS_LOCAL_NAMES: TypeFlags = TypeFlags{bits: 1 << 10,}

pub const KEEP_IN_LOCAL_TCX: TypeFlags

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KEEP_IN_LOCAL_TCX: TypeFlags = TypeFlags{bits: 1 << 11,}

pub const HAS_NORMALIZABLE_PROJECTION: TypeFlags

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HAS_NORMALIZABLE_PROJECTION: TypeFlags = TypeFlags{bits: 1 << 12,}

pub const NEEDS_SUBST: TypeFlags

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NEEDS_SUBST: TypeFlags = TypeFlags{bits:
              <TypeFlags>::HAS_PARAMS.bits | <TypeFlags>::HAS_SELF.bits |
                  <TypeFlags>::HAS_RE_EARLY_BOUND.bits,}

pub const NOMINAL_FLAGS: TypeFlags

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NOMINAL_FLAGS: TypeFlags = TypeFlags{bits:
              <TypeFlags>::HAS_PARAMS.bits | <TypeFlags>::HAS_SELF.bits |
                  <TypeFlags>::HAS_TY_INFER.bits |
                  <TypeFlags>::HAS_RE_INFER.bits |
                  <TypeFlags>::HAS_RE_SKOL.bits |
                  <TypeFlags>::HAS_RE_EARLY_BOUND.bits |
                  <TypeFlags>::HAS_FREE_REGIONS.bits |
                  <TypeFlags>::HAS_TY_ERR.bits |
                  <TypeFlags>::HAS_PROJECTION.bits |
                  <TypeFlags>::HAS_TY_CLOSURE.bits |
                  <TypeFlags>::HAS_LOCAL_NAMES.bits |
                  <TypeFlags>::KEEP_IN_LOCAL_TCX.bits,}

pub fn empty() -> TypeFlags

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Returns an empty set of flags.

pub fn all() -> TypeFlags

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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<TypeFlags>

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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) -> TypeFlags

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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: TypeFlags) -> bool

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

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

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

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

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Inserts the specified flags in-place.

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

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Removes the specified flags in-place.

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

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Toggles the specified flags in-place.

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

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

Trait Implementations

impl Copy for TypeFlags

impl PartialEq for TypeFlags

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

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

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

This method tests for !=.

impl Eq for TypeFlags

impl Clone for TypeFlags

fn clone(&self) -> TypeFlags

Returns a copy of the value.

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

Performs copy-assignment from source.

impl PartialOrd for TypeFlags

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

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

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

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

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

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

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

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

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

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

impl Ord for TypeFlags

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

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 TypeFlags

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

Formats the value using the given formatter.

impl Binary for TypeFlags

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

Formats the value using the given formatter.

impl Octal for TypeFlags

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

Formats the value using the given formatter.

impl LowerHex for TypeFlags

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

Formats the value using the given formatter.

impl UpperHex for TypeFlags

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

Formats the value using the given formatter.

impl BitOr for TypeFlags

type Output = TypeFlags

The resulting type after applying the | operator.

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

Returns the union of the two sets of flags.

impl BitOrAssign for TypeFlags

fn bitor_assign(&mut self, other: TypeFlags)

Adds the set of flags.

impl BitXor for TypeFlags

type Output = TypeFlags

The resulting type after applying the ^ operator.

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

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

impl BitXorAssign for TypeFlags

fn bitxor_assign(&mut self, other: TypeFlags)

Toggles the set of flags.

impl BitAnd for TypeFlags

type Output = TypeFlags

The resulting type after applying the & operator.

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

Returns the intersection between the two sets of flags.

impl BitAndAssign for TypeFlags

fn bitand_assign(&mut self, other: TypeFlags)

Disables all flags disabled in the set.

impl Sub for TypeFlags

type Output = TypeFlags

The resulting type after applying the - operator.

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

Returns the set difference of the two sets of flags.

impl SubAssign for TypeFlags

fn sub_assign(&mut self, other: TypeFlags)

Disables all flags enabled in the set.

impl Not for TypeFlags

type Output = TypeFlags

The resulting type after applying the ! operator.

fn not(self) -> TypeFlags

Returns the complement of this set of flags.

impl Extend<TypeFlags> for TypeFlags

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

Extends a collection with the contents of an iterator.

impl FromIterator<TypeFlags> for TypeFlags

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

Creates a value from an iterator.