Struct PermissionMetadataExpression 

pub struct PermissionMetadataExpression {
    key: Identifier,
    context: PermissionRuleContext,
}

A namespaced metadata key and its optional rule-side context selector.

Fields

key: Identifier

context: PermissionRuleContext

Implementations

impl PermissionMetadataExpression

pub const fn new(key: Identifier, context: PermissionRuleContext) -> Self

Creates an expression from validated parts.

pub fn parse( value: impl Into<String>, ) -> Result<Self, PermissionMetadataExpressionError>

Parses namespace:path or namespace:path{context=value,...}.

Errors

Returns an error when the metadata key or context selector is invalid.

pub const fn key(&self) -> &Identifier

Returns the metadata key.

pub const fn context(&self) -> &PermissionRuleContext

Returns the rule-side context selector.

pub fn into_parts(self) -> (Identifier, PermissionRuleContext)

Splits the expression into its key and context.

Trait Implementations

impl Clone for PermissionMetadataExpression

fn clone(&self) -> PermissionMetadataExpression

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PermissionMetadataExpression

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

Formats the value using the given formatter.

impl Display for PermissionMetadataExpression

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

Formats the value using the given formatter.

impl DowncastType for PermissionMetadataExpression

const TYPE_KEY: DowncastTypeKey

The process-wide key for this concrete type.

impl Eq for PermissionMetadataExpression

impl PartialEq for PermissionMetadataExpression

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for PermissionMetadataExpression