Travis build: 114

README.md

@@ -161,6 +161,9 @@
 * [`UUIDGenerator`](#uuidgenerator)
 * [`validateNumber`](#validatenumber)
 
+### _Uncategorized_
+* [`flip`](#flip)
+
 ## Adapter
 
 ### spreadOver
@@ -2203,6 +2206,28 @@ const validateNumber = n => !isNaN(parseFloat(n)) && isFinite(n) && Number(n) ==
 // validateNumber('10') -> true
 ```
 
+[⬆ back to top](#table-of-contents)
+## _Uncategorized_
+
+### flip
+
+Flip takes a function as an argument, then makes the first argument the last
+
+Return a closure that takes variadic inputs, and splices the last argument to make it the first argument before applying the rest.
+
+```js
+const flip = fn => (...args) => fn(args.pop(), ...args)
+/*
+let a = {name: 'John Smith'}
+let b = {}
+const mergeFrom = flip(Object.assign)
+let mergePerson = mergeFrom.bind(a)
+mergePerson(b) // == b
+b = {}
+Object.assign(b, a) // == b
+*/
+```
+
 [⬆ back to top](#table-of-contents)
 
 ## Credits