All files singletonCache.js

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100% Branches 4/4

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  // @flow
import type { Entry, Equals } from ".";
 
export default function singletonCache(equals: Equals) {
  let entry: Entry;
  return {
    get(key: any) {
      if (entry && equals(key, entry.key)) {
        return entry.value;
      }
    },
 
    put(key: any, value: any) {
      entry = { key, value };
    }
  };
}