Make the error message for stray assignments clearer by suggesting that you may have forgotten "const".
Make the error message for stray assignments clearer by suggesting that you may have forgotten "const".

blakeohare/crayon,blakeohare/crayon,blakeohare/crayon,blakeohare/crayon,blakeohare/crayon,blakeohare/crayon,blakeohare/crayon,blakeohare/crayon