31 lines
771 B
Rust
31 lines
771 B
Rust
#![allow(dead_code)]
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// #![allow(unused_variables)]
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use std::str;
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use nom::bytes::complete::is_not;
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use nom::character::complete::char;
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use nom::combinator::{map, map_res};
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use nom::multi::fold_many0;
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use nom::sequence::delimited;
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use nom::IResult;
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fn atom<'a>(_tomb: &'a mut ()) -> impl FnMut(&'a [u8]) -> IResult<&'a [u8], String> {
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move |input| {
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map(
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map_res(is_not(" \t\r\n"), str::from_utf8),
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ToString::to_string,
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)(input)
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}
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}
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// FIXME: should we support the use case of borrowing data mutably in a parser?
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fn list<'a>(i: &'a [u8], tomb: &'a mut ()) -> IResult<&'a [u8], String> {
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delimited(
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char('('),
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fold_many0(atom(tomb), String::new, |acc: String, next: String| {
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acc + next.as_str()
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}),
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char(')'),
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)(i)
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}
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