Ancient Roots of BNFblogs.scientificamerican.com 2 pointswillwinger7 years ago1 commentSaveHideCopy link On HNComments−watergatorman7yInteresting article.There is both left and right recursion in the definition of <number>, but this EBNF (Wirth notation) uses iteration only:number = digit { digit } [ "." digit { digit } ] .
Comments
Interesting article.
There is both left and right recursion in the definition of <number>, but this EBNF (Wirth notation) uses iteration only:
number = digit { digit } [ "." digit { digit } ] .