serde/private/
mod.rs

1#[cfg(not(no_serde_derive))]
2pub mod de;
3#[cfg(not(no_serde_derive))]
4pub mod ser;
5
6// FIXME: #[cfg(doctest)] once https://github.com/rust-lang/rust/issues/67295 is fixed.
7pub mod doc;
8
9pub use crate::lib::clone::Clone;
10pub use crate::lib::convert::{From, Into};
11pub use crate::lib::default::Default;
12pub use crate::lib::fmt::{self, Formatter};
13pub use crate::lib::marker::PhantomData;
14pub use crate::lib::option::Option::{self, None, Some};
15pub use crate::lib::ptr;
16pub use crate::lib::result::Result::{self, Err, Ok};
17
18pub use self::string::from_utf8_lossy;
19
20#[cfg(any(feature = "alloc", feature = "std"))]
21pub use crate::lib::{ToString, Vec};
22
23#[cfg(not(no_core_try_from))]
24pub use crate::lib::convert::TryFrom;
25
26mod string {
27    use crate::lib::*;
28
29    #[cfg(any(feature = "std", feature = "alloc"))]
30    pub fn from_utf8_lossy(bytes: &[u8]) -> Cow<str> {
31        String::from_utf8_lossy(bytes)
32    }
33
34    // The generated code calls this like:
35    //
36    //     let value = &_serde::__private::from_utf8_lossy(bytes);
37    //     Err(_serde::de::Error::unknown_variant(value, VARIANTS))
38    //
39    // so it is okay for the return type to be different from the std case as long
40    // as the above works.
41    #[cfg(not(any(feature = "std", feature = "alloc")))]
42    pub fn from_utf8_lossy(bytes: &[u8]) -> &str {
43        // Three unicode replacement characters if it fails. They look like a
44        // white-on-black question mark. The user will recognize it as invalid
45        // UTF-8.
46        str::from_utf8(bytes).unwrap_or("\u{fffd}\u{fffd}\u{fffd}")
47    }
48}