start let x = 42 use nom:: sequence::delimited, bytes::complete::tag, character::complete::alpha1, space0, digit1, combinator::map, sequence::tuple, IResult, ; fn assignment(input: &str) -> IResult<&str, (&str, u32)> (name, val.parse().unwrap()) )(input)
i = 0 if text[i] == '': i += 1 while text[i] != '': ... Write (using a parser combinator library): parser kino
What is "Parser Kino"? Parser Kino (from German Kino = "cinema" / slang for "masterpiece") refers to writing parsers that are so clean, declarative, and expressive that reading the parser code feels like watching a beautiful film. It’s the opposite of spaghetti string manipulation, nested regexes, or stateful imperative parsers. Core idea: Your parsing logic should read like the grammar it parses. Why Aim for Parser Kino? | Problem | Parser Kino Solution | |--------|----------------------| | Regex hell | Composable combinators | | Off-by-one index bugs | High-level abstractions | | Hard to modify grammar | Declarative rules | | No error context | Automatic error reporting | | Performance hand-tuning | Optimized combinators / parser generators | Principles of Parser Kino 1. Declarative over Imperative Don’t write: start let x = 42 use nom:: sequence::delimited,