FunctionDJ

// We're given this function
x = (y=>y)(y,y=x)
// It assignes something to x
// y => y is an arrow function with implicit return
// implicit return means that the "function body" is just an expression that we return
// We can write y => y like this
y => {
  return y;
}
// So we can turn our arrow function to a classic named function like this:

roryokane

; how to write scripts: http://www.autohotkey.com/docs/

#IfWinActive ahk_class CabinetWClass ; File Explorer
	^Backspace::
#IfWinActive ahk_class Notepad
	^Backspace::
	Send ^+{Left}{Backspace}
#IfWinActive

; source and context: http://superuser.com/a/636973/124606