spectec_ast_decode/
u64.rs

1fn parse_u64_str(s: &str) -> Result<u64, std::num::ParseIntError> {
2    if let Some(stripped) = s.strip_prefix("0x") {
3        u64::from_str_radix(stripped, 16)
4    } else {
5        s.parse::<u64>()
6    }
7}
8
9impl crate::Decode for u64 {
10    fn decode<'a, I: Iterator<Item = &'a sexpr_parse::SExprItem>>(
11        items: &mut std::iter::Peekable<I>,
12    ) -> crate::Result<Self> {
13        match items.next() {
14            Some(sexpr_parse::SExprItem::Atom(t)) => {
15                parse_u64_str(t).map_err(crate::Error::parse_int_err::<Self>)
16            }
17            Some(item) => Err(crate::Error::cannot_decode_sexpr::<Self>(item)),
18            None => Err(crate::Error::required_missing_sexpr::<Self>()),
19        }
20    }
21}
spectec_ast_decode/u64.rs

spectec_ast_decode/
u64.rs
