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Rights

oxios_kernel::capability::types

Struct Rights 

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pub struct Rights(pub u8);
Expand description

Bit-flag rights encoded in a capability.

Rights are represented as a u8 bitmask. Standard combinations are provided as associated constants.

FlagValue
NONE0x00
READ0x01
WRITE0x02
EXECUTE0x04
DELEGATE0x08
ALL0x0F

Tuple Fields§

§0: u8

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impl Rights

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pub const NONE: Rights

No rights at all.

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pub const READ: Rights

Read access to a resource.

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pub const WRITE: Rights

Write / mutate access to a resource.

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pub const EXECUTE: Rights

Execute a resource (run a program, invoke a tool).

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pub const DELEGATE: Rights

Right to delegate a subset of this capability to another agent.

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pub const ALL: Rights

All rights combined.

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

Returns true if this set contains all the given rights.

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pub fn union(self, other: Rights) -> Rights

Returns a new Rights set with the given flags added.

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pub fn intersect(self, other: Rights) -> Rights

Returns a new Rights set with only the flags present in both.

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pub fn is_empty(self) -> bool

Returns true if no rights are set.

Trait Implementations§

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impl BitAnd for Rights

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type Output = Rights

The resulting type after applying the & operator.
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fn bitand(self, rhs: Self) -> Self

Performs the & operation. Read more
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impl BitOr for Rights

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type Output = Rights

The resulting type after applying the | operator.
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fn bitor(self, rhs: Self) -> Self

Performs the | operation. Read more
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impl Clone for Rights

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fn clone(&self) -> Rights

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

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

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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<'de> Deserialize<'de> for Rights

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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 Rights

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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 Hash for Rights

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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 for Rights

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

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

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

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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 Rights

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impl Eq for Rights

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impl StructuralPartialEq for Rights

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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> AsOut<T> for T
where T: Copy,

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fn as_out(&mut self) -> Out<'_, T>

Returns an out reference to self.
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where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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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> CloneToUninit for T
where T: Clone,

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

🔬This is a nightly-only experimental API. (clone_to_uninit)
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fn __clone_box(&self, _: Private) -> *mut ()

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

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

Checks if this value is equivalent to the given key. Read more
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fn from(t: T) -> T

Returns the argument unchanged.

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Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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where U: From<T>,

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Calls U::from(self).

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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where Self: Sized,

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where R: 'a,

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const ALIGN: usize

The alignment of pointer.
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where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more
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type Output = T

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

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