31 lines
953 B
JavaScript
31 lines
953 B
JavaScript
import { fnType } from "./type_registry.js";
|
|
|
|
export const Type = Symbol('Type');
|
|
export const Function = Symbol('Function');
|
|
|
|
// Implementation of 'in' and 'out' functions,
|
|
// to get input/output type of a function signature:
|
|
export const getIn = fn => fn.in;
|
|
export const getOut = fn => fn.out;
|
|
|
|
// a module is just a set of typed objects
|
|
// each 'typed object' is implicitly an instance of TypeLink (defined below)
|
|
export const ModuleMetaCircular = {l:[
|
|
// TODO? maybe follow Lean so
|
|
// Type.{0} : Type.{1}
|
|
// Type.{1} : Type.{2}
|
|
// ...
|
|
// see: https://lean-lang.org/functional_programming_in_lean/functor-applicative-monad/universes.html
|
|
|
|
// Type : Type
|
|
{i: Type, t: Type},
|
|
|
|
// Function : Type
|
|
{i: Function, t: Type},
|
|
|
|
// (Function -> Type) : Function
|
|
{i: fnType({in: Function, out: Type}), t: Function},
|
|
|
|
{i: getIn , t: fnType({in: Function, out: Type})},
|
|
{i: getOut, t: fnType({in: Function, out: Type})},
|
|
]};
|