// Helper functions for dealing with contexts

import { ContextEntry, Type } from "./data";
import { isEqual } from "lodash";

/** Γ |- A (is the given type in this context?) */
export function isTypeInContext(type: Type, ctx: ContextEntry[]): boolean {
  for (const entry of ctx) {
    switch (entry.kind) {
      case "termAnnot":
        if (isEqual(entry.type, type)) return true;
        break;
      default:
        continue;
    }
  }
  return false;
}