You can run Swift code from the command line?
WAT? Now this is something else! practicalswift.com
command prompt
Command Prompt
Ah-ha! I found this nice little feature in the “Command Prompt” in Windows 7: hit the F7 key and you get a window with a history of commands you typed into the window. Nifty!
DOS HERE and opening a command prompt in Windows 7
In Windows XP, Microsoft released PowerToys with a DOSHERE tool that allowed you to open a command prompt in the current window you had open. In Windows 7, you can hold down the shift key while right clicking a folder to get the same functionality… Cool! Thanks to windows7hacker for the tip!