mirror of
https://github.com/pezkuwichain/serde.git
synced 2026-04-23 05:58:01 +00:00
David Tolnay
45 lines
1.5 KiB
Rust
45 lines
1.5 KiB
Rust
// Copyright 2017 Serde Developers
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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pub use lib::clone::Clone;
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pub use lib::convert::{From, Into};
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pub use lib::default::Default;
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pub use lib::fmt::{self, Formatter};
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pub use lib::marker::PhantomData;
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pub use lib::option::Option::{self, None, Some};
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pub use lib::result::Result::{self, Err, Ok};
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pub use self::string::from_utf8_lossy;
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#[cfg(any(feature = "alloc", feature = "std"))]
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pub use lib::Vec;
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mod string {
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use lib::*;
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#[cfg(any(feature = "std", feature = "alloc"))]
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pub fn from_utf8_lossy(bytes: &[u8]) -> Cow<str> {
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String::from_utf8_lossy(bytes)
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}
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// The generated code calls this like:
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//
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// let value = &_serde::export::from_utf8_lossy(bytes);
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// Err(_serde::de::Error::unknown_variant(value, VARIANTS))
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//
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// so it is okay for the return type to be different from the std case as long
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// as the above works.
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#[cfg(not(any(feature = "std", feature = "alloc")))]
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pub fn from_utf8_lossy(bytes: &[u8]) -> &str {
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// Three unicode replacement characters if it fails. They look like a
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// white-on-black question mark. The user will recognize it as invalid
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// UTF-8.
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str::from_utf8(bytes).unwrap_or("\u{fffd}\u{fffd}\u{fffd}")
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}
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}
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