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