# LetMe v2.0.0 - Table of Contents

Authorization library with a DSL and introspection

## Pages

- [LetMe](readme.md)
- [Changelog](changelog.md)

- Cheatsheets
  - [Rules and Checks](rules.md)

## Modules

- [LetMe](LetMe.md): LetMe is a library for defining and evaluating authorization rules and
handling query scopes and field redactions.
- [LetMe.Policy](LetMe.Policy.md): This module defines a DSL for authorization rules and compiles these rules
to authorization and introspection functions.
- [LetMe.Schema](LetMe.Schema.md): Defines a behaviour with callbacks for scoping and redactions.

- Structs
  - [LetMe.AllOf](LetMe.AllOf.md): Struct that represents a combination of expressions that all must be true.
  - [LetMe.AnyOf](LetMe.AnyOf.md): Struct that represents a combination of checks one of which must be true.
  - [LetMe.Check](LetMe.Check.md): Struct that represents the evaluation result of a single check function.

  - [LetMe.Literal](LetMe.Literal.md): Struct that represents an authorization rule that evaluates to a fixed value.

  - [LetMe.Not](LetMe.Not.md): Struct that represents a boolean negation.

  - [LetMe.Rule](LetMe.Rule.md): A struct for an authorization rule.

- Exceptions
  - [LetMe.UnauthorizedError](LetMe.UnauthorizedError.md): Raised by `c:LetMe.Policy.authorize!/4` if a request is unauthorized.