hayro_syntax/object/
null.rs

1//! The null object.
2
3use crate::object::Object;
4use crate::object::macros::object;
5use crate::reader::Reader;
6use crate::reader::{Readable, ReaderContext, Skippable};
7
8/// The null object.
9#[derive(Debug, Eq, PartialEq, Clone, Copy, Hash)]
10pub struct Null;
11
12object!(Null, Null);
13
14impl Skippable for Null {
15    fn skip(r: &mut Reader<'_>, _: bool) -> Option<()> {
16        r.forward_tag(b"null")
17    }
18}
19
20impl Readable<'_> for Null {
21    fn read(r: &mut Reader<'_>, ctx: &ReaderContext<'_>) -> Option<Self> {
22        Self::skip(r, ctx.in_content_stream)?;
23
24        Some(Self)
25    }
26}
27
28#[cfg(test)]
29mod tests {
30    use crate::object::Null;
31    use crate::reader::Reader;
32    use crate::reader::ReaderExt;
33
34    #[test]
35    fn null() {
36        assert_eq!(
37            Reader::new("null".as_bytes())
38                .read_without_context::<Null>()
39                .unwrap(),
40            Null
41        );
42    }
43
44    #[test]
45    fn null_trailing() {
46        assert_eq!(
47            Reader::new("nullabs".as_bytes())
48                .read_without_context::<Null>()
49                .unwrap(),
50            Null
51        );
52    }
53}
hayro_syntax/object/null.rs

hayro_syntax/object/
null.rs
