#[repr(u32)]
pub enum TrapCode { StackOverflow, HeapAccessOutOfBounds, HeapMisaligned, TableAccessOutOfBounds, IndirectCallToNull, BadSignature, IntegerOverflow, IntegerDivisionByZero, BadConversionToInteger, UnreachableCodeReached, UnalignedAtomic, }
Expand description

A trap code describing the reason for a trap.

All trap instructions have an explicit trap code.

Variants§

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StackOverflow

The current stack space was exhausted.

On some platforms, a stack overflow may also be indicated by a segmentation fault from the stack guard page.

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HeapAccessOutOfBounds

A heap_addr instruction detected an out-of-bounds error.

Note that not all out-of-bounds heap accesses are reported this way; some are detected by a segmentation fault on the heap unmapped or offset-guard pages.

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HeapMisaligned

A heap_addr instruction was misaligned.

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TableAccessOutOfBounds

A table_addr instruction detected an out-of-bounds error.

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IndirectCallToNull

Indirect call to a null table entry.

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BadSignature

Signature mismatch on indirect call.

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IntegerOverflow

An integer arithmetic operation caused an overflow.

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IntegerDivisionByZero

An integer division by zero.

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BadConversionToInteger

Failed float-to-int conversion.

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UnreachableCodeReached

Code that was supposed to have been unreachable was reached.

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UnalignedAtomic

An atomic memory access was attempted with an unaligned pointer.

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impl TrapCode

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pub fn message(&self) -> &str

Gets the message for this trap code

Trait Implementations§

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impl Archive for TrapCode

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type Archived = TrapCode

The archived representation of this type. Read more
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type Resolver = TrapCodeResolver

The resolver for this type. It must contain all the additional information from serializing needed to make the archived type from the normal type.
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unsafe fn resolve( &self, pos: usize, resolver: <Self as Archive>::Resolver, out: *mut <Self as Archive>::Archived )

Creates the archived version of this value at the given position and writes it to the given output. Read more
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impl<__C: ?Sized> CheckBytes<__C> for TrapCode

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type Error = EnumCheckError<u32>

The error that may result from checking the type.
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unsafe fn check_bytes<'__bytecheck>( value: *const Self, context: &mut __C ) -> Result<&'__bytecheck Self, EnumCheckError<u32>>

Checks whether the given pointer points to a valid value within the given context. Read more
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impl Clone for TrapCode

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fn clone(&self) -> TrapCode

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for TrapCode

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

Formats the value using the given formatter. Read more
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impl<__D: Fallible + ?Sized> Deserialize<TrapCode, __D> for Archived<TrapCode>

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fn deserialize(&self, deserializer: &mut __D) -> Result<TrapCode, __D::Error>

Deserializes using the given deserializer
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impl Display for TrapCode

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

Formats the value using the given formatter. Read more
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impl Error for TrapCode

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fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any. Read more
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fn description(&self) -> &str

👎Deprecated since 1.42.0: use the Display impl or to_string()
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fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
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fn provide<'a>(&'a self, demand: &mut Demand<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)
Provides type based access to context intended for error reports. Read more
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impl FromStr for TrapCode

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type Err = ()

The associated error which can be returned from parsing.
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fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type. Read more
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impl Hash for TrapCode

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

Feeds this value into the given Hasher. Read more
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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
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impl PartialEq<TrapCode> for TrapCode

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

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<__S: Fallible + ?Sized> Serialize<__S> for TrapCode

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fn serialize( &self, serializer: &mut __S ) -> Result<<Self as Archive>::Resolver, __S::Error>

Writes the dependencies for the object and returns a resolver that can create the archived type.
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impl Copy for TrapCode

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impl Eq for TrapCode

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impl StructuralEq for TrapCode

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impl StructuralPartialEq for TrapCode

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Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> ArchivePointee for T

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type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.
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fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata ) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.
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impl<T> ArchiveUnsized for Twhere T: Archive,

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type Archived = <T as Archive>::Archived

The archived counterpart of this type. Unlike Archive, it may be unsized. Read more
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type MetadataResolver = ()

The resolver for the metadata of this type. Read more
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unsafe fn resolve_metadata( &self, _: usize, _: <T as ArchiveUnsized>::MetadataResolver, _: *mut <<T as ArchiveUnsized>::Archived as ArchivePointee>::ArchivedMetadata )

Creates the archived version of the metadata for this value at the given position and writes it to the given output. Read more
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unsafe fn resolve_unsized( &self, from: usize, to: usize, resolver: Self::MetadataResolver, out: *mut RelPtr<Self::Archived, <isize as Archive>::Archived> )

Resolves a relative pointer to this value with the given from and to and writes it to the given output. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> CallHasher for Twhere T: Hash + ?Sized,

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default fn get_hash<H, B>(value: &H, build_hasher: &B) -> u64where H: Hash + ?Sized, B: BuildHasher,

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impl<F, W, T, D> Deserialize<With<T, W>, D> for Fwhere W: DeserializeWith<F, T, D>, D: Fallible + ?Sized, F: ?Sized,

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fn deserialize( &self, deserializer: &mut D ) -> Result<With<T, W>, <D as Fallible>::Error>

Deserializes using the given deserializer
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impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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

Compare self to key and return true if they are equal.
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impl<T> Error for Twhere T: Error + 'static,

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fn as_error(&self) -> &(dyn Error + 'static)

Gets this error as an std::error::Error.
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere U: From<T>,

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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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impl<T> LayoutRaw for T

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fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>

Gets the layout of the type.
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impl<T> Pointee for T

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type Metadata = ()

The type for metadata in pointers and references to Self.
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impl<E> Provider for Ewhere E: Error + ?Sized,

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fn provide<'a>(&'a self, demand: &mut Demand<'a>)

🔬This is a nightly-only experimental API. (provide_any)
Data providers should implement this method to provide all values they are able to provide by using demand. Read more
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impl<T, S> SerializeUnsized<S> for Twhere T: Serialize<S>, S: Serializer + ?Sized,

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fn serialize_unsized( &self, serializer: &mut S ) -> Result<usize, <S as Fallible>::Error>

Writes the object and returns the position of the archived type.
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fn serialize_metadata(&self, _: &mut S) -> Result<(), <S as Fallible>::Error>

Serializes the metadata for the given type.
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impl<T> ToOwned for Twhere T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for Twhere T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.