pub struct AccessPattern { /* private fields */ }
Expand description

Access flags to track different kind of access/usage patterns of a variable.

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impl AccessPattern

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pub fn new() -> Self

Generate a new AccessPattern object with none of the access flags set.

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pub fn new_unknown_access() -> Self

Generate a new AccessPattern object with all access flags set to true (to model unknown access).

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pub fn with_read_flag(self) -> Self

Set the access flag for read access and return self.

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pub fn with_dereference_flag(self) -> Self

Set the access flag for immutable pointer dereference and return self.

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pub fn with_mutably_dereferenced_flag(self) -> Self

Set the access flag for pointer dereference with write access to the pointer target and return self.

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pub fn set_dereference_flag(&mut self)

Set the access flag for immutable pointer dereference.

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pub fn set_read_flag(&mut self)

Set the access flag for read access.

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pub fn set_mutably_dereferenced_flag(&mut self)

Set the access flag for pointer dereference (with write access to the target of the pointer).

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pub fn set_unknown_access_flags(&mut self)

Set all access flags to indicate that any kind of access to the variable may have occured.

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pub fn is_accessed(&self) -> bool

Returns true if any of the access flags is set.

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pub fn is_dereferenced(&self) -> bool

Returns true if the dereferenced or mutably dereferenced access flag is set.

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pub fn is_mutably_dereferenced(&self) -> bool

Returns true if the mutably dereferenced access flag is set.

Trait Implementations§

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impl AbstractDomain for AccessPattern

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fn merge(&self, other: &Self) -> Self

An access flag in the merged AccessPattern object is set if it is set in at least one of the input objects.

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fn is_top(&self) -> bool

Returns true if all of the access flags are set.

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fn merge_with(&mut self, other: &Self) -> &mut Self

Returns an upper bound (with respect to the partial order on the domain) for the two inputs self and other. Read more
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impl Clone for AccessPattern

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fn clone(&self) -> AccessPattern

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 AccessPattern

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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 Default for AccessPattern

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for AccessPattern

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Display for AccessPattern

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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 Ord for AccessPattern

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fn cmp(&self, other: &AccessPattern) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized + PartialOrd,

Restrict a value to a certain interval. Read more
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impl PartialEq for AccessPattern

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fn eq(&self, other: &AccessPattern) -> 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 PartialOrd for AccessPattern

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fn partial_cmp(&self, other: &AccessPattern) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

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

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl Copy for AccessPattern

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impl Eq for AccessPattern

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impl StructuralEq for AccessPattern

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impl StructuralPartialEq for AccessPattern

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where 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> Borrow<T> for T
where 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 T
where 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<Q, K> Comparable<K> for Q
where Q: Ord + ?Sized, K: Borrow<Q> + ?Sized,

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fn compare(&self, key: &K) -> Ordering

Compare self to key and return their ordering.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where 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> 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 T
where 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> ToOwned for T
where 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 T
where 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 T
where 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 T
where 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.
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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,