1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41

mod array;
#[cfg(feature = "impl-chrono")]
mod chrono;
mod collections;
mod deref;
mod primitives;
mod simd_json;
mod string;
mod tpl;
use crate::*;
use value_trait::generator::BaseGenerator;

struct DummyGenerator<W: Write>(W);
impl<W: Write> BaseGenerator for DummyGenerator<W> {
    type T = W;
    #[inline]
    fn get_writer(&mut self) -> &mut <Self as BaseGenerator>::T {
        &mut self.0
    }
    #[inline]
    fn write_min(&mut self, _: &[u8], _: u8) -> io::Result<()> {
        unimplemented!()
    }
}

impl<T> Serialize for Option<T>
where
    T: Serialize,
{
    #[inline]
    fn json_write<W>(&self, writer: &mut W) -> io::Result<()>
    where
        W: Write,
    {
        if let Some(e) = self {
            e.json_write(writer)
        } else {
            writer.write_all(b"null")
        }
    }
}