Struct CapabilitySet 

pub struct CapabilitySet { /* private fields */ }

A set of capabilities granted to a piece of code

Implementations

impl CapabilitySet

pub fn new() -> Self

Create a new empty capability set

pub fn from_capabilities<I>(caps: I) -> Self

where I: IntoIterator<Item = Capability>,

Create a capability set with the given capabilities

pub fn grant(&mut self, cap: Capability)

Add a capability to the set

pub fn revoke(&mut self, cap: &Capability) -> bool

Remove a capability from the set

pub fn has(&self, cap: &Capability) -> bool

Check if a capability is granted

pub fn has_by_name(&self, name: &str) -> bool

Check if a capability is granted by name

pub fn has_matching(&self, requested: &Capability) -> bool

Check if a capability is granted, with pattern matching for parameterized capabilities

pub fn intersection(&self, other: &CapabilitySet) -> CapabilitySet

Create an intersection of two capability sets

pub fn union(&self, other: &CapabilitySet) -> CapabilitySet

Create a union of two capability sets

pub fn is_subset(&self, other: &CapabilitySet) -> bool

Check if this set is a subset of another

pub fn iter(&self) -> impl Iterator<Item = &Capability>

Get an iterator over the capabilities

pub fn len(&self) -> usize

Get the number of capabilities

pub fn is_empty(&self) -> bool

Check if the set is empty

Trait Implementations

impl Clone for CapabilitySet

fn clone(&self) -> CapabilitySet

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CapabilitySet

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

Formats the value using the given formatter.

impl Default for CapabilitySet

fn default() -> CapabilitySet

Returns the “default value” for a type.