“Pure functions are nothing more functions that have no side-effects in their definition.”

if the result is used it have side-effects or the function is a program ;)

hll kill the prog

)
Welcome to a place where words matter. On Medium, smart voices and original ideas take center stage - with no ads in sight. Watch
Follow all the topics you care about, and we’ll deliver the best stories for you to your homepage and inbox. Explore
Get unlimited access to the best stories on Medium — and support writers while you’re at it. Just $5/month. Upgrade