use directories for structure

node_modules/try-to-catch/README.md

@@ -30,7 +30,8 @@ Simplest example with `async-await`:
 
 ```js
 const tryToCatch = require('try-to-catch');
-await tryToCatch(Promise.reject('hi'));
+const reject = Promise.reject.bind(Promise);
+await tryToCatch(reject, 'hi');
 // returns
 [ Error: hi]
 ```
@@ -47,11 +48,8 @@ await tryToCatch(() => 5);
 Advanced example:
 
 ```js
-const fs = require('fs');
+const {readFile, readdir} = require('fs').promises;
 const tryToCatch = require('try-to-catch');
-const {promisify} = require('util');
-const readFile = promisify(fs.readFile);
-const readDir = promisify(fs.readdir);
 
 read(process.argv[2])
     .then(console.log)
@@ -66,18 +64,10 @@ async function read(path) {
     if (error.code !== 'EISDIR')
         return error;
     
-    return await readDir(path);
+    return await readdir(path);
 }
 ```
 
-## Environments
-
-In old `node.js` environments that not fully supports `es2015`, `try-to-catch` can be used with:
-
-```js
-var tryToCatch = require('try-to-catch/legacy');
-```
-
 ## Related
 
 - [try-catch](https://github.com/coderaiser/try-catch "try-catch") - functional try-catch wrapper.