update snippets 47-62

snippets/flip.md

@@ -6,7 +6,9 @@ Return a closure that takes variadic inputs, and splices the last argument to ma
 
 ```js
 const flip = fn => (...args) => fn(args.pop(), ...args)
-/*
+```
+
+```js
 let a = {name: 'John Smith'}
 let b = {}
 const mergeFrom = flip(Object.assign)
@@ -14,5 +16,4 @@ let mergePerson = mergeFrom.bind(null, a)
 mergePerson(b) // == b
 b = {}
 Object.assign(b, a) // == b
-*/
 ```