Struct Flag 

pub struct Flag { /* private fields */ }

A specification satisfied when a named context flag is true.

Implementations

impl Flag

pub fn new(key: impl Into<String>) -> Self

Creates a rule for a named boolean flag.

Trait Implementations

impl<UserData> Specification<EvaluationContext<UserData>> for Flag

fn is_satisfied_by(&self, context: &EvaluationContext<UserData>) -> bool

Returns whether candidate satisfies this rule.

fn and<Other>(self, other: Other) -> And<Self, Other>

where Self: Sized, Other: Specification<T>,

Combines this rule with other using short-circuiting logical AND.

fn or<Other>(self, other: Other) -> Or<Self, Other>

where Self: Sized, Other: Specification<T>,

Combines this rule with other using short-circuiting logical OR.

fn not(self) -> Not<Self>

where Self: Sized,

Creates a rule that negates this rule’s result.