Trying to demonstrate that you can't replace literally any word with it? 'const' is more a qualifier or an adjective than an object/thing. You wouldn't s/fast/

Trying to demonstrate that you can't replace literally any word with it? 'const' is more a qualifier or an adjective than an object/thing. You wouldn't s/fast/jawn/ in the sentence "a fast car", like you can't replace const in "a const iterator"