gistfile1.php

<?hh // strict

namespace beatbox;

type Path = ImmVector<string>;
type Extension = ?string;
type Metadata = Map<string, mixed>;

type FragmentHandler = (function(Path, Extension, Metadata): mixed);
type CheckerCallback = (function(string, Metadata): bool);

type FragmentTable = Map<string, FragmentHandler>;
type CheckerTable = Map<string, CheckerCallback>;

type PathTable = Pair<FragmentTable, Metadata>;

type RouteTable = Map<string, PathTable>;
type SimpleRouteTable = Map<string, FragmentTable>;

type RequestStackItem = (Path, Extension, FragmentTable, Metadata);
type RequestStack = Vector<RequestStackItem>;