Comment by AdieuToLogic

Whenever someone brings up washing machines and software, I am always reminded of Forth[0]:

  As an example, imagine a microprocessor-controlled washing 
  machine programmed in Forth. The ultimate command in your 
  example is named WASHER. Here is the definition of WASHER, 
  as written in Forth:

    : WASHER  WASH SPIN RINSE SPIN ;

0 - https://www.forth.com/starting-forth/1-forth-stacks-dictiona...