scryer_prolog::types

Struct HeapCellValue

pub struct HeapCellValue { /* private fields */ }

Implementations§

impl HeapCellValue

pub const fn new() -> Self

Returns an instance with zero initialized data.

impl HeapCellValue

pub const fn into_bytes(self) -> [u8; 8]

Returns the underlying bits.

§Layout

The returned byte array is layed out in the same way as described here.

pub const fn from_bytes(bytes: [u8; 8]) -> Self

Converts the given bytes directly into the bitfield struct.

impl HeapCellValue

pub fn build_with(tag: HeapCellValueTag, value: u64) -> Self

pub fn is_string_terminator(self, heap: &[HeapCellValue]) -> bool

pub fn is_ref(self) -> bool

pub fn as_char(self) -> Option<char>

pub fn is_constant(self) -> bool

pub fn is_stack_var(self) -> bool

pub fn is_compound(self, heap: &[HeapCellValue]) -> bool

pub fn is_var(self) -> bool

pub fn get_value(self) -> u64

pub fn set_value(&mut self, val: u64)

pub fn get_tag(self) -> HeapCellValueTag

pub fn to_atom(self) -> Option<Atom>

pub fn to_pstr(self) -> Option<PartialString>

pub fn to_fixnum(self) -> Option<Fixnum>

pub fn from_raw_ptr_bytes(ptr_bytes: [u8; 8]) -> Self

pub fn to_raw_ptr_bytes(self) -> [u8; 8]

pub fn to_untyped_arena_ptr_bytes(self) -> [u8; 8]

pub fn to_untyped_arena_ptr(self) -> Option<UntypedArenaPtr>

pub fn get_forwarding_bit(self) -> bool

pub fn set_forwarding_bit(&mut self, f: bool)

pub fn get_mark_bit(self) -> bool

pub fn set_mark_bit(&mut self, m: bool)

pub fn order_category(self, heap: &[HeapCellValue]) -> Option<TermOrderCategory>

pub fn is_protected(self, e: usize) -> bool

Trait Implementations§

impl Add<usize> for HeapCellValue

type Output = HeapCellValue

The resulting type after applying the + operator.

fn add(self, rhs: usize) -> Self::Output

Performs the + operation. Read more

impl CheckTotalSizeMultipleOf8 for HeapCellValue

type Size = TotalSize<[(); 0]>

impl Clone for HeapCellValue

fn clone(&self) -> HeapCellValue

Returns a duplicate of the value. Read more

1.0.0 · Source§

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

Performs copy-assignment from source. Read more

impl Debug for HeapCellValue

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

Formats the value using the given formatter. Read more

impl From<(Number, &mut Arena)> for HeapCellValue

fn from((n, arena): (Number, &mut Arena)) -> HeapCellValue

Converts to this type from the input type.

impl From<ConsPtr> for HeapCellValue

fn from(cons_ptr: ConsPtr) -> HeapCellValue

Converts to this type from the input type.

impl From<F64Ptr> for HeapCellValue

fn from(f64_ptr: F64Ptr) -> HeapCellValue

Converts to this type from the input type.

impl From<HeapCellValue> for u64
where [(); 64]: IsU64Compatible,

fn from(__bf_bitfield: HeapCellValue) -> Self

Converts to this type from the input type.

impl From<Literal> for HeapCellValue

fn from(literal: Literal) -> Self

Converts to this type from the input type.

impl<T: ArenaAllocated> From<TypedArenaPtr<T>> for HeapCellValue

fn from(arena_ptr: TypedArenaPtr<T>) -> HeapCellValue

Converts to this type from the input type.

impl From<u64> for HeapCellValue
where [(); 64]: IsU64Compatible,

fn from(__bf_prim: u64) -> Self

Converts to this type from the input type.

impl Hash for HeapCellValue

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

Feeds this value into the given Hasher. Read more

1.3.0 · Source§

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

Feeds a slice of this type into the given Hasher. Read more

impl PartialEq<Ref> for HeapCellValue

fn eq(&self, r: &Ref) -> bool

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq for HeapCellValue

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

Tests for self and other values to be equal, and is used by ==.

1.0.0 · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd<Ref> for HeapCellValue

fn partial_cmp(&self, r: &Ref) -> Option<Ordering>

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

1.0.0 · Source§

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

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

1.0.0 · Source§

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

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

1.0.0 · Source§

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

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

1.0.0 · Source§

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

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

impl Sub<i64> for HeapCellValue

type Output = HeapCellValue

The resulting type after applying the - operator.

fn sub(self, rhs: i64) -> Self::Output

Performs the - operation. Read more

impl Sub<usize> for HeapCellValue

type Output = HeapCellValue

The resulting type after applying the - operator.

fn sub(self, rhs: usize) -> Self::Output

Performs the - operation. Read more

impl SubAssign<usize> for HeapCellValue

fn sub_assign(&mut self, rhs: usize)

Performs the -= operation. Read more

impl TryFrom<HeapCellValue> for Literal

type Error = ()

The type returned in the event of a conversion error.

fn try_from(value: HeapCellValue) -> Result<Literal, ()>

Performs the conversion.

impl Copy for HeapCellValue

impl Eq for HeapCellValue

impl StructuralPartialEq for HeapCellValue

Auto Trait Implementations§

impl Freeze for HeapCellValue

impl RefUnwindSafe for HeapCellValue

impl Send for HeapCellValue

impl Sync for HeapCellValue

impl Unpin for HeapCellValue

impl UnwindSafe for HeapCellValue

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

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

Performs copy-assignment from self to dest. Read more

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fn conv<T>(self) -> T
where Self: Into<T>,

Converts self into T using Into<T>. Read more

impl<Q, K> Equivalent<K> for Q
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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

impl<T> FmtForward for T

fn fmt_binary(self) -> FmtBinary<Self>
where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.

fn fmt_display(self) -> FmtDisplay<Self>
where Self: Display,

Causes self to use its Display implementation when Debug-formatted.

fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.

fn fmt_lower_hex(self) -> FmtLowerHex<Self>
where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.

fn fmt_octal(self) -> FmtOctal<Self>
where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.

fn fmt_pointer(self) -> FmtPointer<Self>
where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.

fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.

fn fmt_upper_hex(self) -> FmtUpperHex<Self>
where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.

fn fmt_list(self) -> FmtList<Self>
where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. Read more

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fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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where T: ?Sized,

fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
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Pipes by value. This is generally the method you want to use. Read more

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R
where R: 'a,

Borrows self and passes that borrow into the pipe function. Read more

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where R: 'a,

Mutably borrows self and passes that borrow into the pipe function. Read more

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Borrows self, then passes self.borrow() into the pipe function. Read more

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where Self: BorrowMut<B>, B: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more

fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R
where Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.

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where Self: AsMut<U>, U: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function.

fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R
where Self: Deref<Target = T>, T: 'a + ?Sized, R: 'a,

Borrows self, then passes self.deref() into the pipe function.

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where Self: DerefMut<Target = T> + Deref, T: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function.

impl<T> Same for T

type Output = T

Should always be Self

impl<T> Tap for T

fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more

fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more

fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Immutable access to the Borrow<B> of a value. Read more

fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

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fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

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fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

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fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

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fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

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fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.

fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds.

fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self
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Calls .tap_borrow() only in debug builds, and is erased in release builds.

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Calls .tap_borrow_mut() only in debug builds, and is erased in release builds.

fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
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Calls .tap_ref() only in debug builds, and is erased in release builds.

fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds.

fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds.

fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds.

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where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

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